Energy Storage Laws UK: Commercial Property Guide

Overview

Energy storage, in the commercial property context, usually means a system that captures electricity and releases it back later, most commonly a battery energy storage system (BESS) connected to a building, a site, or the grid. The stored energy can come from the grid during cheaper periods, from on-site renewables such as rooftop solar, or from a combination of both.

Businesses deploy these systems for several reasons: reducing exposure to peak tariffs, participating in grid flexibility services, improving back-up capability during outages, and supporting carbon reduction targets. From a legal standpoint, energy storage sits at the intersection of electricity regulation, planning law, health and safety law, and property law.

It is treated in regulation as a form of electricity generation for licensing purposes in many cases, which means operators need to think carefully about whether a licence or exemption applies. On top of that, the physical installation triggers planning, building control and fire safety considerations, and the commercial contracts for supply, connection and use of the asset all need careful drafting.

Key steps

1. Scope out your commercial objective. Before approaching lawyers or installers, get clear on why you want storage. Is the goal to cut peak demand charges, support on-site solar, provide resilience for critical loads, or earn revenue from flexibility markets? The answer shapes the system size, the contracting approach, and which regulatory regimes will bite on the project. 2. Check the licensing position. Electricity storage is generally treated as generation under the Electricity Act 1989, which means an electricity generation licence may be required unless an exemption applies. Smaller systems often fall within exemption thresholds, but the rules are technical and change over time. Confirm the current position with Ofgem guidance before committing. 3. Secure planning and building consents. Larger battery installations frequently require planning permission from the local authority, and very large projects can fall within the nationally significant infrastructure regime. Fire safety, noise, flood risk and siting will all feature in the planning assessment. Building control, electrical certification and manufacturer compliance should also be factored in early. 4. Negotiate connection and commercial contracts. The grid connection agreement with the distribution network operator sets the technical and commercial terms for how the system imports and exports electricity. If you plan to sell flexibility services or use a third-party optimiser, the route-to-market contract, supply agreement and any power purchase arrangements need careful review to make sure revenue and risk are allocated properly. 5. Build in ongoing compliance and lease considerations. Once the system is running, obligations continue: metering, reporting, maintenance, insurance, and safety inspections. If the property is leased, the lease may need varying to permit the installation, handle access, and deal with ownership of the equipment at lease end. Plan for decommissioning and end-of-life battery disposal from day one.

Common questions