A megawatt-hour-scale battery installed behind a data-centre meter in Chennai, tracked alongside the grid-scale procurements on our tender tracker.
Solis EverCore battery storage system, Chennai data centre
Energy
1.04 MWh
Application
Data centre
Location
Chennai
A data centre buying a megawatt-hour of battery is C&I storage behaving like infrastructure — bought for power quality and continuity, not for a tariff arbitrage.
pv magazine India ↗What it means
Most of the storage numbers in an India feed are grid-scale — hundreds of megawatt-hours procured by a central agency. A single megawatt-hour behind one customer’s meter is a different product with a different buying logic. A data centre is not chasing a spread between cheap and expensive hours; it is buying continuity, and a battery that can carry a critical load cleanly through a grid disturbance competes against diesel and static UPS plant rather than against a tariff.
That changes what the specification has to prove. Behind-the-meter systems of this size are judged on response time, round-trip efficiency at partial load, thermal behaviour in a dense equipment room, and the safety case — the ground our note on data-centre power and storage in India covers, and the same economics compared head-to-head in our BESS versus diesel genset cost comparison. Where a site also carries a heavy contracted demand, the same asset can earn a second return through demand-charge management or a peak-shaving configuration.
The headline does not state the battery’s power rating, so the system’s discharge duration — how long it holds the load at full output — is not public, and no backup-time claim should be read into the 1.04 MWh figure on its own.
Sizing storage for a data centre or another continuity-critical site? Talk to our team, or model the economics first.