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Tripura Revises Rooftop Solar Rules to Strengthen Net and Gross Metering Adoption

The Tripura Electricity Regulatory Commission (TERC) has announced the first amendment to its 2024 Grid-Interactive Solar Rooftop PV Regulations, introducing key revisions to capacity limits, voltage-level eligibility, and billing procedures to promote wider renewable energy adoption in the state.

The move follows a request from the Tripura Renewable Energy Development Agency (TREDA), which sought clarity on several regulatory provisions.

Under the revised rules, individual net-metered systems will now be capped at 10 kWp, while group net metering and gross metering projects can scale up to 500 kWp and above. The Commission has also defined capacity thresholds across LT, HT, and EHT voltage levels — ranging from 1 kWp at 240V single-phase to beyond 10 MW at 132 kV.

Additionally, billing and energy settlement will shift to a quarterly cycle, and the payment mechanism for surplus solar generation has been refined. This includes a 3.8 units per kW per day cap on eligible generation and credit adjustment provisions for domestic and irrigation consumers.

According to TERC, the amendments are designed to encourage broader rooftop solar participation, ensure transparent energy accounting, and offer fair compensation under both net and gross metering models — paving the way for more efficient integration of renewable energy into Tripura’s power grid.