Batteries with Solar Power: A Technical Guide to the use of Energy Storage with Grid-Connected Solar Photovoltaic Systems

This is a guide for installers, that covers the requirements of battery systems for domestic and small commercial customers. It looks at different battery types, DC and AC coupling, sizing, safety, common terms and language, charging profiles, system operation, design and install requirements, operation and maintenance.

Production of the guide has been sponsored by the following organisations: Enphase, Fronius, Schneider, Victron and Wattstor. The BRE National Solar Centre would also like to thank contributors Poweri and all of those who responded to its public consultation on battery storage last year which has helped inform the guides.

Copies of the installer guide are available at

Buy the guidance here