Restore has combined a grid scale battery with megawatts of industrial load and generation assets to deliver balancing services to European transmission system operators – and plans to replicate the model in the UK.
The Centrica-owned aggregator spoke today alongside project partners including Tesla, which provided the 18MW battery, at the launch of the Terhills project in eastern Belgium.
The virtual power plant will stack reserve and frequency service provision with trading on day ahead and intraday electricity markets.
Restore UK vice president Louis Burford said the model will be replicated in the UK with a project to be announced in the coming weeks, albeit on a smaller scale.
The company refers to its model as a ‘synthetic pool’. Burford said synthetic portfolios can unlock greater value from batteries by enabling other types of assets or load to deliver flexibility into fast response markets that they could not technically deliver by themselves.
Equally, he said it means less granular, or slower responding assets, can earn a share of higher value balancing services revenues by being pooled with batteries.
“By creating synthetic pools or portfolios, you reduce the technical requirements on individual assets that otherwise would not be able to participate ,” Burford told
“By doing so you create value where it does not ordinarily exist. That is only achievable through synthetic portfolios.”
Burford added that bringing industrial loads into play also helps system operators, because load response has an effect on system inertia, which is dwindling as large thermal plant is displaced by smaller distributed generation.
The less inertia on transmission systems, the more volatile they become. Hence grid operators designing services that reward faster acting assets such as batteries.
By combining industrial loads and generation with batteries, Burford claimed grid operators can react to the symptoms of loss of inertia, as well as help address the cause. He also claimed costs to consumers will be lower, because fewer batteries are required on any given system, and revenues paid to flexibility providers higher, because they can help deliver greater services than the sum of their component parts.
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