Solar Battery Storage

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⚠️ Before you read on: Replacing a modern, condensing gas boiler with a biomass boiler is likely to increase your running costs. The systems are expensive, require space, and can impact local air quality — so you’ll need to check with your local authority before you consider installing biomass in your home.

Note that the RHI is now closed, so homeowners installing biomass boilers now cannot benefit from cash payments from this scheme. Due to the high cost and the specific criteria for installation, these systems are rarely funded through government grant schemes.

Please note that currently, solar battery storage is not covered by government grants, however the Solar PV panels are likely to be. Visit the Financial Support  Page for more info on current grants.

If you have Solar Photovoltaic Panels on your roof, they will generate electricity during the day to use in your home. However, at night you will still have to buy electricity from your supplier. 

Normally, any electricity generated in the day that you don’t use leaves your property and is used by the local electricity grid. You may get paid for this through the Smart Export Guarantee (SEG). However, with a battery storage unit, you can store surplus solar electricity and use it to power your house at night, reducing your energy bills and protecting you from future energy price increases.

Storage battery at a glance:

During the day:

In the evening:

Cost: 

The following graphs show a typical PV system with and without battery storage. Please note that actual patterns will vary according to personal routine, season and position of the solar PV system.

Stand-alone PV system:

Source: Domestic Batteries, National Energy Action (2019).

PV with integrated battery storage:

Source: Domestic Batteries, National Energy Action (2019).

A battery can last between 5 to 15 years so will likely need replacing more than once over the lifespan of your Solar PV panels (approx 25 years).

For a more detailed guide on solar battery storage, you can refer to BRE’s Batteries and Solar Power guide:

For more information contact Action Surrey on 0800 783 2503 or email info@actionsurrey.org

Alternatively, fill out our enquiry form online and one of the team will be in touch.

*Figures are taken from GreenMatch and the Energy Saving Trust April 2022 figures

Benefits of Solar Energy

Renewable Energy

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Energy Saving

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Easy Installation

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Energy Solution

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Technical Support

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Solar Maintenance

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Is your home suitable?

There are several criteria needed for a home to suit a biomass boiler:

  • Your property is not listed building or in a conservation area. To check contact your local council’s planning department.
  • Your property does not sit within a smoke control zones.
  • Check that you have a large enough space to store fuel, allow deliveries, and feed the boiler.
  • Check you have a local fuel supplier.
  • Make sure the biomass heating system is sized correctly to the room that it will be placed.
  • Check that you have enough room for a flue, which meets the regulations for a wood-burning appliance.

Frequently Asked Questions

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