In a major push to cut power costs and promote clean energy, the Tamil Nadu Green Energy Corporation Limited (TNGECL) has invited bids to install 40 MW of grid-connected rooftop solar systems on government buildings across the state.

The move is expected to help state departments lower their electricity bills, many of which have been overdue for months, burdening the state’s power utility. “This is the first time we are taking up such a large-scale solar project for government office buildings across Tamil Nadu,” a senior TNGECL official said.

Previously, the Tamil Nadu Energy Development Agency (TEDA) -- now functioning under TNGECL -- installed solar panels in 250 schools with a combined capacity of 1.5 MW.

“Though some government offices already have solar systems, we do not have pro

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