London-based vitality firm Fuse Energy, right now introduced a further €59 million ($70 million) in funding to speed up worldwide enlargement and fast-track their merchandise to market – boosting its valuation to €4.2 billion ($5 billion).
The spherical was led by Lowercarbon Capital and Balderton Capital with participation from Ribbit Capital, Lakestar, Latitude, QuantumLight – the enterprise capital firm based by Revolut founder Nik Storonsky – Future Optimistic Capital, Creandum, Accel, System 1 world champion Nico Rosberg via Rosberg Ventures, and DSquared.
“From supply to socket, we’re simplifying your entire vitality system by bringing each stage in-house,” says Alan Chang, co-founder and CEO at Fuse Vitality.
This yr has proven continued investor curiosity throughout a broad vary of European vitality and EnergyTech enterprise fashions, offering helpful context for Fuse Vitality’s elevate.
In France, Spark Cleantech secured €30 million to develop cleaner vitality options for heavy business, whereas Spain-based Clevergy raised €3.2 million to scale its good vitality retail platform throughout Europe – notable given Fuse Vitality’s deliberate enlargement into Spain.
Northern Europe additionally featured prominently, with Estonia’s PowerUP Energy Technologies elevating €10 million to develop hydrogen-powered electrical generator manufacturing, and Amsterdam-based Chapter securing €3 million for its AI-driven vitality transition software program.
Germany remained energetic in vitality optimisation and administration, with EU-Startups overlaying funding rounds for Ecoplanet and etalytics, every elevating €16 million to scale enterprise energy-management and optimisation applied sciences, alongside smaller raises resembling Delta Charge (€3.7 million) targeted on grid and storage infrastructure.
On the infrastructure finish of the market, the Netherlands-based Return introduced €300 million in progress capital to develop battery storage capability.
Taken collectively, these rounds quantity to roughly €390 million in disclosed funding throughout 2025, underlining sustained capital flows into European vitality startups throughout software program, {hardware}, infrastructure and vertically built-in fashions – the latter aligning intently with Fuse Vitality’s strategy of mixing era, provide, buying and selling and client {hardware} beneath one firm.
“Mixed with a relentless deal with effectivity and execution, we’re fixing issues nobody else can. This new capital and continued investor demand reinforce that we’re constructing one of many defining firms of the subsequent decade,” provides Chang.
Based in 2022 by ex-Revolut executives Alan Chang and Charles Orr, Fuse Vitality goals to reshape the vitality sector by making vitality decrease price, and extra plentiful.
By combining all components of the vitality course of in a single firm – spanning renewable website development, energy era, buying and selling, provide, installations and {hardware} – Fuse Vitality reportedly eliminates lots of the inefficiencies that drive up prices for shoppers in conventional vitality fashions.
Consequently, Fuse Vitality says they’ll scale rapidly, function with better effectivity, and ship energy at costs that common round 10% decrease than incumbents, saving households as much as €228 (£200) a yr on their vitality payments.
Daniel Waterhouse, Normal Companion at Balderton, feedback: “Europe wants sustainable, scalable and resilient energy to help the subsequent wave of technological and financial progress, as AI accelerates and vitality demand rises. Fuse is rebuilding your entire vitality system from first rules: vertically built-in, relentlessly environment friendly and engineered for scale.
“Alan and Charles’ large ambition to redefine how the long run is powered is what first bought us excited three years in the past, and the tempo and high quality of execution since has been past our wildest expectations. We’re proud to proceed supporting this phenomenal crew as they energy Europe’s future.”
As of December 2025, Fuse Vitality has hit €341 million ($400 million) ARR, rising 8x year-on-year to grow to be money circulate constructive – all earlier than it enters its fourth yr.
The corporate will use the newest funding to satisfy rising demand at scale, increasing throughout Eire, Spain, and the US from the UK, the place it already provides energy to over 200,000 households.
Fuse Vitality can also be making ready to launch its first in-house client {hardware} merchandise: a micro photo voltaic and battery resolution that makes producing your individual solar energy extra accessible and inexpensive whereas serving to to steadiness the grid, cut back general system prices, and ship financial savings for shoppers.
Just lately, the corporate additionally introduced the launch of The Vitality Community, a system that rewards prospects for shifting utilization to off-peak intervals, with a public rollout deliberate for January 2026.
Clay Dumas, Normal Companion at Lowercarbon, added: “We hold reinvesting in Fuse as a result of they’re proving {that a} verticalised vitality firm may be extra worthwhile and scale quicker than incumbents, whereas serving prospects with a greater product: lower-cost, extra dependable, easier-to-access energy.”

