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Bulb Energy
Bulb Energy
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Bulb Energy Ltd,[1] trading as Bulb, was an energy supply company in the United Kingdom acquired by Octopus Energy in 2022. Founded in 2013, the company attracted venture capital from DST Global and Magnetar Capital and ran at a financial loss while achieving rapid growth in customers.[4] Bulb claimed to provide electricity and gas from renewable or off-set sources. As of November 2021, it had a share of approximately 5-6% of the UK energy market and was considered the seventh largest in the country.

Key Information

In September 2021, the company sought a bailout due to financial problems caused by increasing natural gas prices. Instead, it was placed into the Energy Supply Company Administration (a special administration regime) by industry regulator Ofgem on 24 November 2021 following a refusal by investors to provide further funding. While customers of other failed suppliers have been transferred by Ofgem to new suppliers, the regulator decided Bulb was too large, so it became the first energy company in the UK to enter special administration.

In October 2022, Octopus Energy announced they planned to acquire Bulb's 1.5 million customers and 650 staff. The acquisition was completed on 21 December 2022.

History

[edit]
155 Bishopsgate, London, headquarters of Bulb Energy

Bulb Energy Ltd. was incorporated in April 2013 under Regent Power Ltd. and was known as Hanbury Energy Ltd. between June and October 2015.[5] Its parent company is Simple Energy.[6] From the start of trading, the directors were Amit Gudka, a former energy market trader for Barclays, and Hayden Wood, a former management consultant.[7] Gudka stepped down from day to day activities at Bulb in February 2021 to focus on his new battery storage startup.[8]

Initial funding came from the founders' savings and from their personal contacts. The backing was then obtained from JamJar Investments.[9] In August 2018 a further £60 million funding was secured from two backers: DST Global (owned by Russian billionaire Yuri Milner), and US hedge fund Magnetar Capital.[6][10] By 2018, the company was worth between £400M and £500M.[6]

Growth was rapid from the start of 2017, and by early March 2019, the company had over 1 million customers and was employing over 550 staff.[6] Its headquarters moved in February 2019 from offices at Hanbury Street, Shoreditch to Bishopsgate in the City of London.[5]

In 2018, Bulb was the UK's largest renewable energy supplier, and the UK's seventh-largest energy supplier, smaller only than the "Big Six".[11] It was the only company to achieve this growth without taking over other companies, as rival companies had done.[12] SyndicateRoom identified Bulb as the UK's fastest-growing private company of 2018.[13]

Special administration and acquisition

[edit]

In September 2021, Bulb sought a bailout due to financial problems caused by sharply increasing natural gas prices.[14] In November 2021, Bulb became the first energy company to go into Special Administration, under which it would be run by the government through the regulator Ofgem.[15][16][17] This process allowed the government the option to make grants and loans to the business while the administrators worked to transfer customers and sell the business in parts or as a whole.[15]

The government set aside £1.7 billion to cover the company's trading costs and the cost of the administration.[18] According to the Financial Times, at least two energy suppliers offered solutions that would have allowed Bulb customers to be switched to alternative providers at a reduced cost to consumers and taxpayers.[19]

The company's subsidiaries in France, Spain, and Texas were unaffected by its entry into administration.[20] Teneo were appointed administrators of Bulb in the UK on 24 November,[21] and Interpath were appointed for Bulb's parent Simple Energy.[22]

Outcome

[edit]

In October 2022, Octopus Energy agreed to acquire Bulb's 1.5 million customers and 650 employees.[23][24] The acquisition was completed on 21 December 2022.[25]

In November, the Office for Budget Responsibility estimated the potential liability to be underwritten by the government was £6.5 billion,[26] although the government stated that volatility in energy markets made forecasts difficult.[24]

It was reported that costs of £1.5bn were incurred during the administration process. The government provided post-completion funding to enable Octopus to procure energy for ex-Bulb customers for the winter of 2022; in the event, Octopus drew down £1.6bn of this. By the summer of 2024, Octopus was expected to repay the government £2.8bn, comprising the £1.6bn plus £1.2bn profit from falling energy costs. As a result, it was estimated that the total cost to the government of Bulb's failure was £6.1 million.[26]

Operations

[edit]

In the year 2018–2019, Bulb's renewable electricity was generated as follows: 73% from wind power, 24% from solar power, and 3% from hydroelectricity. Bulb's carbon-neutral gas was composed of 10% biogas and 90% carbon offset.[27]

Bulb announced in June 2019 that they were expanding to France, Spain, and Texas.[28]

In August 2020, Bulb agreed to pay £1.76 million in redress, refunds, and goodwill payments after industry regulator Ofgem found 11,400 customers had been overcharged, together with other mistakes (some self-reported by Bulb).[29]

Bulb customer numbers
Date Customers
(approx.)
Source
January 2017 15,000 [6]
August 2017 100,000 [30]
January 2018 200,000
300,000
[31]
[30]
August 2018 670,000 [6]
January 2019 870,000 [31]
March 2019 1,130,000 [32]
November 2021 1,700,000 [15]

References

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia
from Grokipedia

Bulb Energy Ltd, trading as Bulb, was a United Kingdom energy supply company founded in 2015 by Amit Gudka and Hayden Wood to provide competitively priced 100% renewable electricity and carbon-neutral gas to residential and small business customers. The firm differentiated itself through simple fixed-rate tariffs without exit fees, app-based account management, and a focus on customer service, achieving rapid growth to serve around 1.3 million customers by 2019 and expanding to approximately 1.7 million by late 2021, making it the UK's seventh-largest supplier. However, Bulb collapsed in November 2021 amid the global energy crisis driven by surging wholesale gas prices, becoming the largest UK supplier failure and entering government-backed special administration overseen by Ofgem at a direct cost to taxpayers exceeding £2 billion for customer protection and operations. In December 2022, Octopus Energy acquired Bulb's customer base of about 1.5 million and its assets through a process approved by the government, with Octopus later committing to repay nearly £3 billion in state support received for the takeover.

Founding and Growth

Establishment and Initial Operations (2013–2015)

Bulb Energy Ltd was incorporated on 2 April 2013 as a in , with its registered office initially in . The entity emerged from predecessors including Regent Power Ltd. and Hanbury Energy Ltd., focusing on electricity trading activities. The company was established by co-founders Amit Gudka and Hayden Wood. Gudka brought expertise from his role as a gas and electricity trader at Capital, while Wood contributed experience as a management consultant at firms like , with both having backgrounds in analyzing the inefficiencies of the energy sector dominated by the "Big Six" suppliers. Their vision centered on disrupting the market by supplying through a simplified model that minimized administrative costs, eliminated exit fees, and passed wholesale savings directly to customers via a single variable tariff. From 2013 to 2015, Bulb's operations emphasized preparatory activities, including securing an supply license from Ofgem, developing proprietary technology for automated billing and customer onboarding, and raising initial . The founders attracted early investment from sources like and to fund platform development and , operating at a loss during this phase to prioritize scalable infrastructure over immediate revenue. By late 2015, the company had finalized its "Vari-Fair" structure and was positioned for market entry, targeting tech-savvy residential consumers frustrated with legacy providers' opaque .

Rapid Expansion and Market Penetration (2016–2020)

Bulb Energy began supplying and gas to in early 2016, initially focusing on a digital-first model that emphasized online sign-ups and competitive fixed-price tariffs without exit fees or standing charges. By March 2018, the company had acquired approximately 329,000 domestic , representing about 1.2% of the residential . This growth was driven by word-of-mouth referrals, offering £50 credits to both referrer and referee, which minimized traditional costs while leveraging . The proved effective, with the firm adding around 100,000 in the four months leading up to March 2018 alone. Between 2018 and 2020, Bulb continued aggressive customer acquisition, capturing 15% of all energy switches in the UK in 2019 through low-cost, transparent pricing and a commitment to 100% renewable sourcing, appealing to environmentally aware consumers. Customer numbers grew by 46% from March 2019 to March 2020, pushing the base toward 1 million by late 2020 and securing nearly 6% domestic market share by early 2021. Revenue reflected this penetration, surging from modest levels in 2016 to an increase of £1.497 billion between 2016 and 2019, with fiscal 2020 turnover exceeding £1 billion—nearly double the prior year. This hypergrowth earned Bulb recognition as Europe's fastest-growing company in the Financial Times' FT1000 list for 2021, based on a compound annual growth rate of 1,159.3% over the period. To support scaling, expanded its operational footprint, including opening a new office in in October that created 30 jobs and enhanced regional service capabilities. The firm's hedging-light approach, relying on short-term wholesale purchases to offer below-market rates, facilitated market entry but exposed it to volatility; nonetheless, it enabled penetration into a fragmented sector dominated by incumbents. By , Bulb's model had disrupted traditional suppliers, prioritizing app-based and direct debits for , though critics noted reliance on referral incentives and branding potentially overstated impacts given backend sourcing dependencies.

Business Model and Strategy

Renewable Energy Commitment and Sourcing

Bulb Energy marketed itself as a supplier of 100% and 100% carbon-neutral gas to customers, a commitment established from its launch in 2015 and central to its branding as a green energy provider. This involved purchasing Renewable Energy Guarantees of Origin (REGO) certificates to match customer consumption with an equivalent volume of certified renewable generation, as required under regulations administered by Ofgem. In its 2021-2022 reporting period, Bulb attributed 96% of its REGO-backed to sources, with the remainder from solar and other renewables. However, this certificate-based approach drew scrutiny for limited direct sourcing from renewable projects. An analysis published in The Guardian in November 2021 revealed that less than 5% of the green power Bulb supplied to homes in the preceding year originated from company-contracted or owned renewable generation sites, with the majority relying on REGOs acquired on the open market. Critics, including rival supplier Good Energy, argued that such reliance on tradable certificates enables claims of renewability without ensuring physical delivery of green electrons from the grid, potentially overstating environmental impact amid the 's mixed grid supply. Bulb did not own significant generation assets and instead procured certificates to fulfill obligations, a practice common among suppliers but distinct from models involving long-term power purchase agreements (PPAs) with specific , solar, or hydroelectric facilities. For gas supply, Bulb achieved carbon neutrality through offsets rather than renewable biogas sourcing, purchasing credits to compensate for emissions from fossil-based gas. This offset mechanism, while aligning with net-zero claims, depends on the verified integrity of third-party projects, and Bulb's disclosures emphasized transparency in certificate retirement without detailing offset volumes or providers. Overall, while Bulb's strategy complied with regulatory standards for green claims, it prioritized cost-effective certification over direct investment in renewables, contributing to debates on greenwashing in the sector.

Pricing Structure, Hedging Practices, and Risk Management

Bulb Energy operated a streamlined pricing model centered on a single variable-rate dubbed "Vari-Fair," which applied uniformly to all domestic customers without fixed-rate alternatives, exit fees, or complex tiered structures. This incorporated unit rates for and gas that fluctuated in response to wholesale market conditions, with adjustments announced on at least 30 days' notice, and included options for payment methods such as or prepayment meters. By design, the "Vari-Fair" rates aimed to mirror underlying wholesale costs while remaining competitive, often cited as approximately 18% lower than the average standard variable tariffs of the UK's "Big Six" suppliers prior to the 2021 crisis. However, this variable structure constrained Bulb's ability to fully pass on rapid wholesale cost escalations to consumers due to regulatory oversight under Ofgem's default price cap. In terms of hedging practices, Bulb maintained a short-term rolling strategy, securing forward contracts for three to six months ahead to cover roughly 90% of its projected wholesale and gas requirements. This approach sought to balance cost efficiency with flexibility but exposed the company to significant risks when European gas prices surged in mid-2021, driven by factors including reduced Russian supplies and post-COVID demand recovery. As hedges matured toward the end of 2021, Bulb encountered barriers to extending coverage, including reluctance stemming from the firm's worsening credit metrics and the prohibitive expense of locking in elevated forward prices, which reached record highs exceeding £200 per for gas. By November 2021, hedging coverage had dwindled to approximately 90% for the immediate month but only 50% for the following month, amplifying unhedged exposure estimated to contribute £1.1 billion in excess wholesale costs. Bulb's emphasized monitoring wholesale volatility through its hedging policy but lacked robust provisions for extended horizons or alternative instruments like financial to buffer against prolonged market disruptions. This vulnerability was exacerbated by the company's growth-oriented model, which prioritized acquisition over conservative buffers or diversified for collateral requirements in hedging markets. Administrators later attributed the primarily to this hedging shortfall, as unmitigated wholesale losses outstripped revenues from capped variable tariffs, rendering the firm insolvent with liabilities surpassing £1.6 billion in supply obligations. In the ensuing Special Administration Regime, hedging was deliberately minimized—favoring day-ahead and short-term spot purchases—to avoid entrenching high costs, a decision that saved an estimated £240.7 million but underscored the original strategy's inadequacies in anticipating systemic risks from global energy dependencies.

Operations and Customer Base

Day-to-Day Supply and Service Delivery

Bulb Energy delivered electricity and gas to its domestic customers through the United Kingdom's established regional distribution networks, procuring wholesale on a daily and forward basis to match aggregated customer demand while adhering to National Grid balancing requirements. The company maintained supply continuity by integrating with data from smart meters where available, enabling real-time usage tracking for a portion of its base, though many customers relied on manual or estimated readings submitted via the . Prepayment customers could top up accounts digitally through the app, including a smartphone-based pay-as-you-go service launched on , , which facilitated instant credit purchases for 100% renewable electricity and carbon-neutral gas. Service delivery emphasized a digital-first approach, with the majority of customer interactions handled via a mobile app and online portal rather than traditional call centers. The app supported key functions such as submitting meter readings using the phone's camera, viewing real-time energy usage data, downloading monthly statements, adjusting payments, and accessing resources. Billing operated on a simplified model, featuring fixed monthly s calculated to cover estimated annual usage under tariffs like Variably Bright, which applied a single unit rate without standing charges, followed by annual reconciliations based on actual consumption. This structure aimed to minimize administrative burdens, though some users reported delays or inaccuracies in meter data integration, particularly with first-generation smart meters (SMETS1) that lost smart functionality upon switching to Bulb. Customer support relied heavily on an extensive online help section and email responses, supplemented by partnerships for enhanced features like Samsung's 2019 energy control integration, allowing remote device management and usage monitoring via the app. In response to the , Bulb introduced a free phone line in early 2021 to assist vulnerable customers, marking a temporary shift from its app-centric model, though digital channels remained primary for routine queries. Outage handling followed Ofgem-regulated protocols, with notifications issued via app or , and reliance on distribution network operators for physical interventions. Overall, this operational framework supported Bulb's growth to over 1.7 million customers by mid-2021, prioritizing simplicity and low overheads over personalized telephone support.

Customer Acquisition and Retention Metrics

Bulb Energy achieved rapid customer acquisition, growing its base from approximately 200,000 customers in December 2017 to 870,000 by December 2018, reflecting a year-over-year increase exceeding 300%. This momentum continued, with the company surpassing 1.3 million customers by June 2019, establishing it as the United Kingdom's fastest-growing startup at the time. By mid-2021, prior to its collapse, Bulb served around 1.7 million customers, capturing approximately 5% of the domestic and 4.5% of the gas market. The firm's acquisition strategy emphasized through word-of-mouth referrals, a simplified single-tariff model, and an app-centric digital interface that reduced operational complexity and customer friction. This approach minimized reliance on paid , enabling low customer acquisition costs relative to competitors in a sector characterized by high switching rates. Specific customer acquisition cost figures for Bulb remain undisclosed in public records, though its funding of over £60 million supported scaling without proportional marketing outlays. Data on retention metrics, such as churn rates, is limited, with no comprehensive public disclosures from . Sustained net customer growth amid industry-wide churn levels—often exceeding 10-15% annually—suggests effective retention via transparent billing and absence of exit penalties, though the variable structure exposed customers to price fluctuations that could influence loyalty. Post-administration analysis by noted review of Bulb's historical churn but provided no quantified benchmarks, indicating retention challenges inherited during the 2022-2023 migration of 1.5 million accounts.

Financial Performance and Vulnerabilities

Bulb Energy demonstrated explosive revenue expansion from its inception, driven by aggressive acquisition and in the UK's deregulated energy sector. Starting with modest figures, the company's turnover reached £10 million in the six months ending , surging to £183 million in 2018, £823 million in 2019, and £1.52 billion in 2020—a exceeding 200% over this period. This growth paralleled a base expansion from approximately 25,000 accounts in to 1.7 million by 2020, reflecting Bulb's appeal through fixed-price tariffs and renewable-focused branding amid competitive pricing pressures. Despite this revenue trajectory, profitability remained elusive, with Bulb operating at consistent net losses as it prioritized scale over margins in a venture capital-backed model. Losses escalated from £2 million in 2017 (six months) to £28 million in 2018 and peaked at £129 million in 2019, before narrowing slightly to £63 million in the year ending March 2020. Gross profits, after wholesale and network costs, were marginal at £7.8 million in 2018 and £8.4 million in 2019, underscoring thin margins vulnerable to wholesale price fluctuations due to limited hedging.
YearRevenue (£ million)Net Loss (£ million)
2017 (6 months)102
201818328
2019823129
1,52163
These trends highlighted a high-growth, low-margin strategy that sustained operations through £66 million in equity funding and £55 million net debt, but exposed Bulb to existential risks from unhedged positions as energy markets tightened into 2021. The firm's accounts for the year to already signaled distress, with analysts noting predictable vulnerability given the scale of accumulated deficits relative to revenue.

Exposure to Wholesale Market Volatility

Bulb Energy's hedging practices involved securing contracts for approximately 90% of its power needs 3 to 6 months in advance, a intended to limit exposure to long-term wholesale risks while maintaining flexibility in a historically market. This rolling approach, however, relied on the assumption of moderate fluctuations and access to for renewals, rendering the firm susceptible to sharp, sustained increases beyond its horizon. In 2021, wholesale gas prices in the UK escalated rapidly due to global supply constraints, post-pandemic demand recovery, and reduced Russian exports, climbing from averages around 40 pence per therm in January to peaks exceeding £2 per therm by September. Bulb's short hedging window and emerging credit constraints—stemming from mounting losses—prevented it from locking in longer-term supplies at viable rates, leading to under-hedging for future periods. As customer tariffs remained constrained by Ofgem's price cap, which rose only 12% in October 2021 despite wholesale costs more than doubling earlier in the year, the gap between fixed revenues and escalating procurement expenses generated acute financial strain. This vulnerability manifested in Bulb's inability to cover operational costs by late , contributing directly to its collapse into the Special Administration Regime on 24 November , with estimated under-hedged exposures amplifying losses amid the crisis. Under administration, the Department for Business, Energy and Industrial Strategy (BEIS) directed administrators to minimize forward hedging in favor of day-ahead market purchases, deliberately heightening short-term volatility exposure to avoid committing to elevated forward prices that could have added billions to taxpayer costs. This unhedged strategy, while risking liquidity disruptions for its 1.7 million customers, benefited from subsequent price declines, saving an estimated £240.7 million between December and December 2022 compared to hedged alternatives. Overall, Bulb's pre-failure model highlighted the perils of limited hedging in a deregulated retail market prone to shocks, where smaller suppliers lacked the capital buffers of incumbents.

Collapse Amid Energy Crisis

Triggers of Failure in 2021

In 2021, Bulb Energy faced escalating financial pressures from a sharp rise in wholesale gas and prices, which began intensifying in the summer months amid global supply disruptions. European gas prices surged over 400% from early 2021 levels by September, driven by factors including post-pandemic demand recovery, reduced Russian exports to , competition for (LNG) from Asia, and low wind generation in the UK, which increased reliance on gas for production. These conditions exposed vulnerabilities in Bulb's , as the company had expanded rapidly to serve approximately 1.6 million domestic customers by late 2021 without commensurate safeguards against price volatility. A primary trigger was Bulb's inadequate hedging strategy, which left it underprotected against spot market fluctuations. Unlike more established suppliers, Bulb had not secured sufficient forward contracts for future energy purchases, relying instead on shorter-term arrangements and assuming prolonged low wholesale prices based on pre-2021 trends. This approach, common among newer market entrants attracted by Ofgem's deregulated entry barriers, resulted in massive losses as Bulb was forced to procure energy at peak spot prices exceeding £2 per therm for gas in September 2021, far above its retail commitments. By October, internal projections indicated unsustainable deficits, with daily losses in the millions as wholesale costs outpaced revenues under the UK's energy price cap, which limited retail adjustments. Compounding these issues was Bulb's limited access to and collateral for hedging , a systemic weakness among failed suppliers during the crisis. The company lacked diversified funding sources or robust credit lines to post margin calls required by traders amid price spikes, exacerbating strains. Regulatory constraints under the price cap further hindered Bulb's ability to pass on costs promptly, as Ofgem's formula allowed only gradual increases tied to historical averages rather than real-time wholesale shifts, trapping the firm in a mismatch between fixed retail tariffs and volatile inputs. These triggers culminated in Bulb's entry into the government's special administration regime on November 24, 2021, after failed attempts at private restructuring, marking it as the largest supplier collapse in history at that scale.

Immediate Consequences for Customers and Markets

Bulb Energy's collapse on November 24, 2021, impacted approximately 1.7 million domestic customers, but the imposition of the Special Administration Regime (SAR) ensured uninterrupted energy supply and normal service levels with no reported disconnections or significant increases in complaints. Customers continued payments and billing as usual, shielded from immediate price hikes by the prevailing Energy Price Cap, while credit balances remained protected under government-backed administration. In the broader market, the failure—as the largest supplier to date—highlighted acute vulnerabilities in the retail energy sector, where wholesale gas price surges had already triggered 29 supplier collapses affecting nearly four million households from July to May 2022. SAR was selected over the Supplier of Last Resort (SoLR) mechanism due to Bulb's scale, which risked overwhelming viable SoLR candidates and exacerbating market stress by forcing rapid customer transfers amid ongoing volatility. This intervention, funded initially by taxpayers at costs estimated up to £1.7 billion for winter operations, preserved short-term stability but signaled systemic risks from unhedged exposure to wholesale fluctuations under the price cap regime.

Special Administration Regime

The Special Administration Regime (SAR) for energy supply companies, enacted under Part 3, Chapter 1 of the Energy Act 2011, provides a statutory mechanism to maintain continuity of supply when a supplier fails and standard insolvency procedures or the Supplier of Last Resort (SoLR) process cannot feasibly protect consumers. This regime empowers the Secretary of State, upon application by Ofgem, to petition the court for the appointment of special administrators, granting them enhanced powers beyond ordinary administration to prioritize energy supply security over creditor claims. The SAR's objectives, as outlined in the Act, mandate administrators to ensure uninterrupted supply, safeguard customer interests, minimize public sector expenditure, and pursue rescue, transfer, or orderly wind-down of the business. Bulb Energy Limited became the first energy supplier to enter SAR on 24 November 2021, following Ofgem's court application in the Insolvency and Companies Court, which appointed three special administrators due to the company's 1.7 million customers exceeding practical limits for SoLR transfer to another licensed supplier. The framework supplemented provisions from the Energy Act 2004, allowing administrators to operate Bulb under government-backed funding to procure wholesale energy and meet operational costs, thereby averting immediate supply disruptions amid the 2021 energy crisis. Government intervention centered on financial support from the Department for Business, Energy and Industrial Strategy (BEIS, later DESNZ), which provided guarantees and direct loans totaling approximately £3.02 billion by January 2023 to cover energy purchases and administration expenses, with mechanisms for repayment through customer levies or asset recovery. A cross-agency team involving BEIS, , and Ofgem oversaw the process, ensuring alignment with SAR goals while mitigating broader market contagion from wholesale price volatility. This approach marked a departure from prior failures handled via SoLR, reflecting the regime's design as a taxpayer-funded backstop for systemic risks not viable under market-based resolutions.

Administrator Actions and Cost Management

On 24 November 2021, the appointed Matthew James Cowlishaw, Matthew David Smith, and Daniel Francis Butters of Teneo Restructuring as joint special administrators for Bulb Energy Limited, marking the first use of the special administration regime for an energy supplier under the Energy Act 2011. Their primary statutory objective was to continue the supply of gas and electricity to Bulb's approximately 1.7 million customers while achieving this at the lowest cost reasonably practicable, with a secondary aim to rescue the company as a or transfer its business. The administrators prioritized operational continuity by maintaining supply chains, billing, and customer services without interruption, avoiding the higher estimated costs of a Supplier of Last Resort (SoLR) process, which was projected at £1.28 billion compared to the initial facility of £1.7 billion. To manage costs amid volatile wholesale markets, they followed directives from the Department for , Energy and Industrial Strategy (BEIS, later DESNZ) to limit forward energy purchasing and instead procure primarily on day-ahead markets, which avoided expensive hedging premiums and collateral requirements. This strategy yielded savings of £240.7 million in wholesale energy costs between 1 December 2021 and 20 December 2022. Initially, they secured a £510 million to preserve select existing hedges with Macquarie, but minimized new long-term commitments to reduce exposure to price spikes. Funding was provided through an Administration Funding Agreement (AFA) with BEIS, disbursing £1.14 billion from November 2021 to December 2022 to cover operational shortfalls, with the facility limit raised from £1.7 billion to £3.9 billion by October 2022 as costs escalated due to sustained high wholesale prices. The administrators were contractually obligated to minimize administration expenses, including monthly reconciliations of actual versus projected costs for energy purchases and operational outlays. In parallel, they initiated a sale process in February 2022, advised by , to transfer the business and cap ongoing funding needs, culminating in the agreement to sell to on 28 October 2022 and completion via an Energy Transfer Scheme on 20 December 2022. By 31 January 2023, the gross cost of the regime stood at £3.02 billion, primarily for wholesale and operations, though net costs were forecasted to decline to near zero through recoveries from (£2.96 billion repayable from 2024 onward) and potential levies on bills if shortfalls arose. This approach, while effective in stabilizing supply, highlighted challenges in real-time cost containment during extreme market conditions, with wholesale estimates adjusted downward from £1.75 billion to £0.71 billion for late 2022 periods as prices fell.

Acquisition by Octopus Energy

Bidding Process and Selection (2021–2022)

Following Bulb Energy Limited's entry into special administration on 24 November 2021, the appointed administrators from Financial Advisory launched a competitive sale process in early 2022 to transfer its customer base, assets, and liabilities to a viable buyer, aiming to minimize costs to the taxpayer while ensuring supply continuity for approximately 1.5 million customers. & Co. was engaged as to manage the process, which proceeded in phases: initial expressions of interest were solicited, followed by and indicative bids, culminating in final offers. The process, spanning about 10 months, prioritized criteria such as the lowest net cost to the , execution certainty, and the bidder's capacity to handle customer migration without disruption. Despite an open invitation to potential acquirers, including major energy suppliers, only two initial expressions of interest were received, neither of which advanced to final bids beyond Group's submission in June 2022. emerged as the sole final bidder, offering £113 million for Bulb's customer book and agreeing to assume associated liabilities under terms that included repayment obligations for government support exceeding £2.9 billion, structured to achieve fiscal neutrality for taxpayers. recommended to the Department for Business, Energy & Industrial Strategy (BEIS), citing its bid's alignment with selection criteria, including robust hedging capabilities and technological infrastructure for seamless integration, which reduced risks of further state intervention. BEIS Secretary of State approved the transaction on 27 October 2022, with public announcement on 29 October, leading to completion via an Energy Transfer Scheme sanctioned by the on 20 December 2022. The selection faced legal challenges from competitors , , and ScottishPower, who argued the process was conducted unfairly, limiting their ability to submit superior offers; however, the dismissed these claims in March 2023, upholding the administrators' discretion under the Energy Act 2004. This outcome reflected the administrators' assessment that Octopus's proposal provided the optimal balance of value and reliability amid ongoing wholesale price volatility.

Deal Completion, Integration, and Taxpayer Outcomes (2022–2024)

The acquisition of Bulb Energy by Octopus Energy was legally completed on December 21, 2022, following an agreement signed in October 2022 and government approval under the Special Administration Regime (SAR). This transfer utilized the Energy Transfer Scheme (ETS), which conveyed Bulb's supply license, 1.5 million customers, and select assets to a ringfenced entity (HiveCo) within the Octopus Energy Group, while excluding certain liabilities. Octopus assumed responsibility for ongoing operations from day one, including immediate hedging of energy supplies to mitigate wholesale market risks, with full hedging targeted by March 2023. Customer integration proceeded rapidly post-completion, with migration commencing on December 23, 2022, and concluding by June 30, 2023—less than six months for all 1.5 million accounts, a record for such scale in the UK energy sector. This process involved transferring customers to 's systems without service interruptions, supported by a post-transfer funding facility capped to limit further exposure. By mid-2023, Bulb's former operations were fully absorbed, with retaining approximately 650 Bulb employees and emphasizing continuity in customer tariffs amid stabilizing market conditions. Taxpayer outcomes under the SAR reflected substantial initial outlays offset by subsequent recoveries. From November 2021 to December 2022, direct costs for administering totaled £1.14 billion, contributing to an estimated overall SAR expenditure of £3.02 billion by January 2023, primarily covering customer supply protection and administrative expenses. repaid nearly £3 billion in state support by September 2024, including a final installment on September 30, enabling the government to recover the bulk of funds and yielding a net fiscal benefit estimated at £1.5 billion due to repayment terms and asset realizations. This resolution minimized long-term taxpayer liability, though the National Audit Office noted ongoing SAR wind-down costs into 2024. Legal challenges to the deal's fairness were ultimately dismissed by the Court of Appeal in March 2025, affirming the process's validity.

Controversies and Criticisms

Regulatory Oversight and Ofgem's Role

Ofgem, the Office of Gas and Electricity Markets, serves as the independent regulator for the gas and electricity markets in , responsible for licensing energy suppliers, enforcing compliance with standards such as fair treatment of customers and financial responsibility, and managing supplier failures through mechanisms like the Supplier of Last Resort (SoLR) process. In the case of Bulb Energy, Ofgem's oversight included monitoring the supplier's adherence to licence conditions, but pre-collapse compliance engagements revealed systemic weaknesses; between 2017 and 2020, Bulb affected 61,794 customers through errors including 3,888 unable to switch due to Restricted Meter Infrastructure issues, 11,458 overcharged on standing charges, and 46,448 vulnerable customers erroneously removed from Priority Services Registers. Bulb implemented fixes by early 2020 and provided £1.76 million in redress, comprising refunds, goodwill payments, and contributions to a voluntary fund, though Ofgem determined that Bulb's governance and processes were insufficient to prevent non-compliance. Bulb's scale—serving approximately 1.7 million customers—rendered the standard SoLR process, which transfers customers to another licensed supplier, impractical due to market disruption risks, prompting Ofgem and the Department for Business, Energy and Industrial Strategy (BEIS, now DESNZ) to invoke the Energy Supply Company Administration regime on 24 November 2021. Under this special administration, Ofgem acted as an observer on the cross-government team led by BEIS, providing regulatory input and approving key decisions while ensuring continuity of supply, with no customer disconnections reported due to administrative errors. The regime prioritized customer protection and business rescue over immediate liquidation, facilitating Bulb's eventual transfer to in December 2022. Criticisms of Ofgem's oversight have centered on its permissive licensing approach, which prioritized market entry and —allowing over 100 new suppliers since —but failed to enforce robust financial resilience requirements, such as adequate hedging against wholesale price volatility, contributing to Bulb's vulnerability during the 2021 energy crisis. The (PAC) highlighted Ofgem's "low bar" for licensing as a factor in 29 supplier failures between July 2021 and May 2022, including Bulb, resulting in £2.7 billion in SoLR costs passed to consumers and a £246 million shortfall; the committee deemed Ofgem's monitoring inadequate, urging reforms to balance with solvency checks by year-end 2023. The National Audit Office (NAO) noted preparatory work by Ofgem and for large-scale failures but did not directly fault the regulator, focusing instead on overall taxpayer exposure of £3.02 billion gross as of January 2023. These assessments underscore tensions in Ofgem's , where lax entry barriers fostered but exposed the market to cascading insolvencies amid exogenous shocks like gas price surges.

Taxpayer Bailout Debates and Fiscal Impacts

The collapse of Bulb Energy in November 2021 triggered the invocation of the Special Administration Regime (SAR), under which the government provided funding to cover operational costs, customer protections, and energy procurement, initially estimated at up to £6.5 billion—the largest state intervention in a corporate failure since the 2008 bailout. This support was financed through government borrowing rather than direct industry levies, distinguishing it from the standard Supplier of Last Resort (SoLR) process, which would have imposed immediate costs on surviving suppliers and, ultimately, billpayers. By January 2023, gross taxpayer costs under SAR reached £3.02 billion, encompassing administrator fees, legal advice (£2.8 million), and Financial Advisory's oversight (£49.9 million). Debates centered on the necessity and structure of this intervention, with critics arguing that Ofgem's light-touch regulatory regime—characterized by low barriers to market entry and insufficient enforcement of hedging practices—enabled undercapitalized firms like to expand rapidly without adequate , exposing taxpayers to avoidable liabilities. The (PAC) highlighted Ofgem's failure to adapt oversight amid rising wholesale prices, noting that Bulb's customer base grew from 130,000 in 2015 to 1.7 million by 2021 without commensurate financial safeguards, and warned of a potential £246 million shortfall recoverable via supplier levies passed to households. Proponents of SAR, including officials, defended it as essential to avert a disorderly SoLR transfer of Bulb's large customer book, which no rival was willing to absorb due to scale and exposure to unhedged contracts, potentially destabilizing the market further. Fiscal outcomes improved following Energy's acquisition in late 2022, with the buyer committing to repay nearly £3 billion to offset SAR costs, finalized by September 2024, yielding an estimated £1.5 billion net gain for the after accounting for winter 2022 procurement support. for Budget Responsibility (OBR) and Department for Business, & Industrial Strategy projected fiscal neutrality through these recoveries and any residual levies, though the PAC expressed ongoing uncertainties, including litigation risks and 's ability to meet repayment terms amid volatile markets. This episode underscored broader taxpayer exposure in deregulated markets, prompting calls for reformed licensing and capital requirements to prevent future SAR invocations, estimated to have added up to £200 per taxpayer at peak projections. Competitors , , and ScottishPower initiated proceedings in early 2023 against the government's handling of Bulb Energy's special administration regime (SAR) and the subsequent sale to , contending that the £2.7 billion in government subsidies provided to facilitate the acquisition violated the Subsidy Control Act 2022 by granting Octopus an unlawful anticompetitive advantage over rivals who had also bid but withdrawn. The claimants argued that the subsidies distorted the energy retail market, as Octopus received favorable terms including customer transfer without competitive bidding for the full asset base and indemnities covering future losses, which they claimed breached post-Brexit subsidy rules requiring assessment of market distortions. On March 31, 2023, the Divisional Court dismissed the challenges, holding that the subsidies were a proportionate response to the exceptional circumstances of Bulb's collapse amid the 2021-2022 , aimed at protecting 1.7 million customers from supply disruptions rather than conferring undue benefits on , and that the SAR's statutory framework overrode standard procurement requirements. The court emphasized the urgency of maintaining continuity in energy supply, rejecting claims of procedural unfairness in the accelerated bidding process. British Gas and E.ON pursued appeals, which the Court of Appeal dismissed on March 5, 2025, affirming the lower court's reasoning that the interventions were justified under the Energy Act 2021 and did not constitute unlawful subsidies, as they preserved market stability without evidence of long-term distortion beyond the crisis context. The ruling noted that any delay in challenging the process earlier undermined the claimants' position, though it allowed for potential financial remedy claims to proceed in limited form. In June 2024, committed to repaying approximately £3 billion in state support upon achieving profitability from the integrated operations, a move that mitigated some exposure but did not retroactively validate the competitors' arguments, as the repayment was framed as commercial recovery rather than an admission of illegality. These challenges highlighted tensions in the SAR's design, where government funding for preferred buyers can disadvantage competitors, though courts prioritized crisis-driven imperatives over in this instance.

Legacy and Sector Impact

Achievements in Innovation and Customer Satisfaction

Bulb Energy pioneered a digital-first approach to energy supply in the UK, launching in 2015 with a proprietary technology platform built from scratch, eschewing legacy IT systems common among established suppliers. This enabled seamless app-based account management, automated meter readings, and paperless billing, reducing operational costs and enhancing user experience through intuitive interfaces. The platform supported rapid scaling, contributing to Bulb's recognition as the fastest-growing energy supplier, with customer numbers reaching 1.7 million by 2020 and annualized revenue exceeding £1.5 billion. In , Bulb differentiated itself by offering fixed-price tariffs 10-20% below incumbents like , paired with 100% renewable electricity sourcing and carbon offsetting for gas supplies. This model attracted customers disillusioned with traditional providers, evidenced by Bulb capturing through superior service metrics and low complaint rates prior to the 2021 energy crisis. Independent assessments, such as Deloitte's UK Technology Fast 50 in 2020, highlighted Bulb's innovation in delivering affordable green energy via efficient digital operations. Post-acquisition integration by in 2022 affirmed Bulb's foundational strengths, with Octopus citing its "outstanding customer service" and value-driven green energy model as assets worth preserving during the transfer of 1.7 million accounts. However, Bulb's green credentials relied heavily on certificates rather than direct generation, a common industry practice that supported but drew scrutiny for not fully matching physical supply claims. Overall, these elements positioned Bulb as a disruptor emphasizing and transparency, fostering through rewards like referral credits and usage insights via its app.

Lessons on Energy Policy, Hedging, and Market Risks

Bulb Energy's collapse in 2021 highlighted the critical need for robust hedging strategies among suppliers, as the company's delayed and insufficient forward purchasing of wholesale exposed it to extreme price volatility. Unlike more resilient competitors, Bulb relied heavily on short-term, day-ahead market purchases rather than securing long-term contracts, which proved disastrous when European gas prices surged over 400% from early 2021 levels due to post-COVID demand recovery, low inventories, and geopolitical tensions. This approach, while enabling low fixed tariffs to attract customers during stable periods, resulted in massive losses estimated at billions when spot prices hit record highs, underscoring that hedging is not merely prudent but essential for matching fixed retail prices to volatile wholesale costs in a deregulated market. The episode revealed inherent market s in the UK's liberalized energy sector, where suppliers operate under Ofgem's price cap—a mechanism intended to protect consumers but which constrained Bulb's ability to adjust tariffs dynamically amid the 2021 crisis. With wholesale gas prices decoupling from historical norms and reaching €200 per megawatt-hour by September 2021, unhedged exposure amplified liquidity shortfalls, leading to 28 supplier failures totaling over 4 million customers affected. Bulb's rapid growth to 1.7 million customers on thin margins, without commensurate buffers, exemplified how complacency during years of low volatility (pre-2021 gas prices averaged under €20/MWh) can precipitate systemic vulnerabilities when confronted with exogenous shocks like supply disruptions. From a policy standpoint, Bulb's special administration—costing taxpayers approximately £2.2 billion in funding and operational support—exposed in the supplier-of-last-resort framework, as costs were socialized via government loans rather than borne by shareholders, incentivizing riskier business models. Ofgem's subsequent reforms, including mandatory financial resilience metrics and enhanced hedging disclosures introduced in , aim to prevent repeats by requiring suppliers to maintain minimum liquidity and forward coverage ratios calibrated to stress scenarios. These measures reflect a causal recognition that pure , without safeguards against tail risks, undermines ; however, critics argue that persistent price caps may deter investment in hedging, perpetuating fragility absent broader reforms like diversified supply sources or uncapped pricing flexibility. Overall, the failure advocates for prioritizing supplier capitalization and derivative to insulate retail stability from global commodity swings.

References

  1. https://en.wikipedia-on-ipfs.org/wiki/Bulb_Energy
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