London pioneers first ‘virtual power station’
Trial using household batteries to support London’s electricity grid is
being rolled out to help manage peaks in winter demand and reduce carbon
emissions.
From: Department for Business, Energy & Industrial Strategy and The Rt Hon
Kwasi Kwarteng MP
Ground-breaking battery trial which pays households to store energy to
power the grid during peak demand to be rolled out further
smart battery trial in capital is already reducing bills – and cutting
carbon emissions from electricity by around 20% for average households
home batteries help electricity network companies avoid digging up the
streets of the capital to replace electricity cables
A revolutionary trial to use household batteries to help support the
electricity grid in London is being rolled out further to help deal with
peaks in winter demand and reduce carbon emissions in the capital.
An initial trial by UK Power Networks (UKPN) paid 45 households to store
energy in batteries in their homes, which the network operator drew on in
times of need. It was so successful that it reduced household evening peak
electricity demand by 60% and helped cut carbon emissions from electricity
by 20% for average households.
The home batteries allow consumers to buy electricity when it’s cheapest
and store it for use when grid prices are more expensive, helping lower
household electricity bills.
Now the government-backed company behind the battery system, Powervault, is
rolling the scheme out as part of a second commercial contract in south
London. The scheme in St Helier will help further improve flexibility in
the electricity network.
Energy and Clean Growth Minister Kwasi Kwarteng said:
The UK has already cut emissions by almost 45% since 1990, while growing
our economy by more than 3 quarters. This cutting-edge battery technology,
being made right here in London, will help create a smarter, cleaner energy
system for the UK.
These smart batteries are part of the UK’s green revolution, with the
government investing more than £3 billion in low carbon innovation, as we
aim to end our contribution to climate change entirely by 2050.
Powervault is working with energy suppliers and electricity network
operators to reduce dependency on fossil fuels by shifting energy demand
away from peak times. This flexibility helps enable the roll-out of
electric vehicles and accelerates the UK’s transition to a decentralised
low-carbon energy network.
The batteries use Artificial Intelligence to optimise home electricity use,
meaning they could help reduce or avoid digging up and replacing cables
entirely. They can store self-generated clean energy from solar panels,
which households can sell back to energy companies using new export
tariffs. On top of this, they allow owners to get paid for storing
renewable energy from the grid when there’s an excess of generation.
An Imperial College study estimates that greater electricity system
flexibility, for example through using batteries, could save the UK between
£17 billion and £40 billion by 2050. Powervault has already sold its
batteries into hundreds of UK homes and is in discussions with Renault
about rolling out the system across Europe.
Chief Executive of Powervault, Joe Warren, said:
Home energy storage is essential if we are to reduce our net carbon
emissions to zero. Our vision is that Powervault will become as commonplace
as a washing machine or dishwasher, allowing clean, zero carbon energy to
be stored in the home for when it is needed most and allowing home energy
use to be optimised.
In this way we can make the grid more resilient, allowing more electric
vehicles and heating systems to be installed, and reducing carbon emissions
and energy costs.
Smart energy technologies are an area of export potential for the UK with
global investment in smart networks standing at more than $303 billion.
The UK is the first major economy in the world to legislate for net zero
emissions by 2050 to end the UK’s contribution to climate change entirely.
There are now 850,000 homes with solar panels in the UK and over half of
our electricity is now generated by low carbon sources.
Notes to editors
London-based Powervault designs and manufactures smart energy storage
systems that help customers lower their electricity bills, increase their
energy security and reduce their carbon footprint. They focus on changing
consumers’ energy consumption behaviours by encouraging energy efficiency
and the adoption of renewable energy technologies.
The pilot is being part-funded by Energy Entrepreneurs Fund (EEF) which
funds state of the art technologies, products and processes in the areas of
energy efficiency, power generation and heat and electricity storage. It
has supported over 130 projects that have gone on to leverage over £100
million in private sector funding.
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