Tamil Nadu unveils battery storage policy for new renewable projects
The state will require storage capacity in new solar and wind projects, according to the policy's announcement.
Key facts
Story- Tamil Nadu has unveiled a battery storage policy for renewable energy projects.
- New renewable energy projects will be required to include battery storage capacity.
- The policy was reported on 3 November, with a further report on 4 November.
Tamil Nadu has unveiled a battery storage policy that requires storage capacity in new renewable energy projects. The state government announced the policy on 3 November 2026.
The policy covers new renewable projects. Solar projects above 1 MW must include battery storage. Developers are required to include the storage, not given the option to decline it.
The state government presented the policy as a bet on green energy. Battery storage stores power generated by solar and wind plants so it can be used later, when the sun is down or the wind is calm. The policy's full text and the storage capacity each project must add have not been made public.
The policy is aimed at new projects. Whether existing renewable plants will be affected has not been stated.
Tamil Nadu is one of the country's largest users of wind and solar power. Storage could help keep supply steady as more of the state's electricity comes from variable sources.
The date the mandate will take effect and how it will be enforced have not been announced. Costs, timelines and penalties for non-compliance have not yet been specified.
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