RVUNL Sets Solar Battery Benchmark with ₹1.775/kWh BESS Tariff
Rajasthan just rewrote the rules of the energy storage game. The state’s power generation arm RVUNL has secured a jaw-dropping ₹1.775 per kWh tariff in its 1 GW/2 GWh battery storage auction – the lowest ever recorded in India. For those keeping score, that’s cheaper than most industrial grid electricity rates.
Why This Auction Changes Everything
Remember when 5-6 rupees was considered a win for battery storage? Those days are gone. This auction proves large-scale storage can compete directly with fossil fuels. The winning developers likely used lithium-ion systems similar to Tesla’s Megapack, though the bidders haven’t been officially named yet.
The Math Behind the Magic
At 2,000 MWh capacity, this isn’t some pilot project. We’re talking about enough storage to power 70,000 homes for a full day. The economics work because Rajasthan has:
- Abundant solar generation (we all know those desert rays don’t quit)
- Existing transmission infrastructure
- Smart demand patterns that maximize battery utilization
But Will It Actually Work?
Skeptics might say such low tariffs squeeze margins too tight. Yet similar concerns arose during India’s solar price crashes – and we all saw how that played out. The secret sauce? Falling battery costs (down 40% since 2020) combined with clever scheduling algorithms.
What This Means for Your Business
If you’re in solar development, this auction is your wake-up call. Storage-plus-renewables projects just became bankable across India. Distribution companies will likely replicate this model soon – we’re already seeing murmurs from Gujarat and Maharashtra.
The Storage Domino Effect
This tender proves batteries aren’t just for backup anymore. They’re becoming the glue that holds renewable-heavy grids together. Expect ripple effects in:
- Hybrid project financing
- Peak power pricing
- Ancillary service markets
The energy transition just found its accelerator pedal.






