Vitreous LabsEnergy transparency

Clay Tye Farm

One physical site, registered with the market as 2 separate balancing units, 99 MW together in Essex and Kent. The market settles each unit on its own; this page adds them back up. Everything is read from published data for the 364 days to 28 August 2026.

The site

Registered power, all units99 MW
Balancing units2
Charging zoneEssex and Kent
Owned byHARMONY CTF 2 LIMITED
Traded byTesla Motors Limited

What the site earned, all units together

Line364 days to 28 August 2026
Balancing mechanism, paid to discharge£5.4m
Balancing mechanism, paid out to charge−£3.4m
Response and reserve auctions£1.3m
Capacity market£858k
Three measured lines together£4.1m

Income per kilowatt across the whole site: £76.38/kW/yr on the three measured lines, before charging costs and before wholesale trading, which nobody publishes. Each unit's own page carries its estimate and its percentiles.

The units

UnitMWDischargeChargeStanding readyCM
E_CLAYB-1
Tesla Motors Limited
50£2.6m−£1.6m£666k
E_CLAYB-2
Tesla Motors Limited
50£2.8m−£1.8m£657k£858k

Grouped on evidence, not on a name: shared unit code stem CLAYB, all 2 units within 0.1 km. Portfolio families that share a code stem across distant sites, such as an aggregator's fleet, are never grouped. Methods

All batteries