Battery‑as‑a‑Service (BaaS): Helping businesses cut costs and unlock flexibility

Businesses across Britain are facing a melting pot of rising energy costs, increasing grid charges, and growing pressure to decarbonise. At the same time, volatility in the electricity market is making flexibility more valuable than ever. Against this backdrop, battery storage has rapidly moved from a niche technology to a mainstream tool for cost control, resilience, and carbon reduction. 

Falling hardware costs, improved performance, and maturing optimisation markets mean batteries are now delivering real commercial value. And with Battery‑as‑a‑Service (BaaS), the model is shifting again - from buying hardware to buying flexible capacity as part of a broader net‑zero strategy. 

BaaS removes the financial and operational barriers that once held businesses back, making storage accessible, predictable, and low‑risk. 

What Battery‑as‑a‑Service is - and why it’s accelerating 

Battery‑as‑a‑Service is a fully financed, fully managed battery solution with no upfront capital cost. Businesses access battery storage through a commercial model designed around delivered value - such as energy cost savings, flexibility revenues, or resilience - while ownership sits with a financial partner and operations are handled by a partner such as EDF.  

It brings together technology, optimisation, and financing into a single, integrated offer - with the option to combine it with supply - and can be seamlessly combined with on-site solar PV to maximise value from local generation. 

Why it’s gaining momentum: 

• Businesses increasingly prefer OPEX‑based solutions over capital projects
• It enables access to grid service revenues and energy cost savings without needing in‑house energy market expertise.
• It aligns with sustainability goals, budget certainty, and operational simplicity
• It removes balance‑sheet impact, turning a complex asset into a simple service line

In short, BaaS makes battery storage easy, affordable, and commercially compelling. 

What’s in it for businesses? 

Battery‑as‑a‑Service turns energy flexibility into a business advantage - particularly for sites with on-site solar PV. It helps organisations cut energy costs, reduce exposure to volatile grid charges, and unlock new flexibility value - without capital investment or operational complexity. At the same time, on‑site batteries strengthen resilience by smoothing power disturbances and supporting critical operations during local outages, while also unlocking additional grid capacity. For many sites, this means avoiding costly network upgrades and enabling growth - such as adding EV chargers, electrified heat, or new equipment - within existing grid constraints. This is all delivered with predictable financial outcomes and a fully managed service. 

The barriers BaaS removes 

Traditional battery projects can be complex, capital‑intensive, and risky. BaaS eliminates these hurdles and shifts responsibility away from the customer. 

• Capex constraint: No need for large upfront investment - the system is fully financed
• Technical complexity: EDF designs, procures, installs, and operates the system end‑to‑end
• Market risk: EDF manages optimisation and accesses multiple revenue streams on your behalf
• Operational burden: Maintenance, warranties, and lifecycle support are handled by EDF’s partners
• Asset performance risk: Degradation, availability, and compliance sit with the asset owner, not the customer
• Regulatory complexity: EDF navigates grid codes, DNO requirements, and market rules, so businesses don’t have to