Ty Glas Dairy

Carmarthenshire

Rooftop PV plus battery cuts parlour bills by 64%

Two large east- and south-facing barn roofs were used for a 42kWp rooftop array, sized against a year of half-hourly meter data. A 20kWh battery shifts generation to the early-morning and evening milking cycles, lifting self-consumption and reducing peak-rate imports.