Vitreous Labs· Great Britain

Monk Fryston

57 MW in South Lancashire, Yorkshire and Humber. Everything on this page is read from published data for the 364 days to 19 August 2026, or is labelled as an estimate.

What it is

Registered power57 MW balancing mechanism registration
Storage duration2.0 hours capacity market de-rating class
Charging zoneSouth Lancashire, Yorkshire and Humber
Connection siteMonk Fryston 275kV
PostcodeLS25 5JD
Balancing mechanism unitT_MKFRB-1

Who owns it and who trades it

Traded byHD777FRY Ltd
Owned byHD777FRY LTD
Owner established fromcapacity market registered holder

Market registers name the party that sells into the market, which for a battery is usually an optimiser under contract rather than the owner. How we tell them apart

What it earned

Line364 days to 19 August 2026
Balancing mechanism£2.6m
Response and reserve auctions auction implied£67k
Capacity market£590k
Three lines together£3.3m

Balancing is offer revenue and does not net off the cost of the power. The response and reserve figure is the value implied by the published auction results, award quantity times clearing price times the length of the delivery window, and not a settled payment. Capacity market income is at the price the agreement cleared at, before inflation uprating, so it is a floor. Method

What it might have earned trading, estimated

At our middle assumption£1.3m
Across the range£1.0m to £1.6m
Energy cycled in the year41,610 MWh

This one is a model, not a measurement. Nobody publishes what any site traded. It is never added to the measured lines. How it is worked out and what is wrong with it

See it on the map

Open the operating map here

Every figure on this page traces to a published file. If something here is wrong about your asset, the methods section says how to tell us.