Solutions — by use case
How do batteries stabilise the power grid?
Grid-scale batteries stabilise the power system by responding to frequency and voltage deviations in milliseconds — far faster than any thermal plant. They provide frequency regulation, reserves, and ramping support as the grid absorbs more renewables. Alpha Devraj ESS builds grid-block storage for utilities, grid operators and IPPs.
How it works
Watch it run.
Why grids need fast storage
As coal retires and renewables grow, the grid loses the spinning inertia that used to damp frequency swings. Batteries replace it with something better: precise, bidirectional response in milliseconds. One grid block can inject or absorb power faster than a thermal unit can even change setpoint.
Services a grid block provides
Frequency regulation and response, spinning-reserve replacement, ramping support for the evening solar drop-off, congestion relief, and black-start support. In India these map to emerging ancillary-services markets and to storage-linked transmission and capacity tenders.
Common questions
How fast can a battery respond to a grid event?
Modern grid-scale inverters detect and respond to frequency deviations within tens to hundreds of milliseconds — effectively instant compared with the seconds-to-minutes response of thermal plants.
Let's talk storage
Send us your load, or your tender.
We'll model it — and tell you straight whether storage is the right call.