Solar Calculator Nagaland 2026

Rooftop solar in Nagaland: high tariffs, the Department of Power and net metering

Electricity in Nagaland is distributed by the state Department of Power, Nagaland (DoPN). The state buys most of its power from outside and carries heavy transmission losses across steep terrain, which is why Nagaland's domestic tariff sits among the highest in the country. That single fact changes the solar maths: every unit your roof makes offsets an expensive grid unit, so payback here is usually faster than in cheap-power states.

Net metering and the export rules

DoPN operates a rooftop net-metering scheme under the Nagaland Electricity Regulatory Commission's regulations. Exported units are netted against imported units and you are billed on the difference. Because the higher domestic slabs are steep, self-consuming solar during the day is worth more than exporting it, so size the array to your daytime use first.

• Single distribution utility: the Department of Power, Nagaland (DoPN).
• Net metering under NERC rooftop regulations; confirm the current sanctioned-load cap locally.
• Representative domestic tariff used here is about 6.5 rupees per unit; upper slabs run higher.

Sunshine and grid reliability

Nagaland's hill climate brings a long, cloudy monsoon and frequent load-shedding, with rural feeders tripping during storms. We use a conservative yield of about 3.9 units per kW per day as an annual average. Given the outages, a solar-plus-battery system is genuinely useful here, keeping lights and essentials alive when supply fails. Size storage with our battery bank calculator and check autonomy on the battery runtime calculator.

How PM Surya Ghar applies

The national PM Surya Ghar: Muft Bijli Yojana pays 30,000 rupees per kW for the first 2 kW, adds 18,000 for the third kW, and caps at 78,000 rupees for 3 kW and above (up to 10 kW residential), disbursed as a bank transfer after commissioning, with collateral-free loans around 7 percent. Nagaland is a PM Surya Ghar special-category North-East state, so enhanced central assistance may be available; treat it as unconfirmed and verify current terms on pmsuryaghar.gov.in. Model the CAPEX route with our on-grid solar calculator.

A quick worked example

Take a 3 kW system in Kohima. At about 3.9 units per kW per day it makes roughly 11.7 units a day, near 350 units a month averaged over the year. Offsetting units worth about 6.5 rupees each, that is close to 2,275 rupees of monthly value before monsoon dips. After the 78,000 rupee subsidy the high local tariff shortens payback markedly. Start from the India solar calculator or run the numbers on the solar savings calculator.

Solar calculators for other Indian states & UTs

Pick your state or union territory for localized subsidy, tariff and net-metering figures — or open the full India states directory or the national India solar calculator.

Frequently asked questions

Because Nagaland's domestic tariff is among the highest in India, every self-consumed solar unit offsets an expensive grid unit. Even with a conservative 3.9 units per kW per day yield, the high tariff tends to shorten payback compared with low-cost-power states.

The Department of Power, Nagaland (DoPN) administers rooftop net metering under the Nagaland Electricity Regulatory Commission's regulations. Apply through DoPN, and confirm the current sanctioned-load export limit before finalising your system size.

For many homes, yes. Load-shedding and storm-related feeder trips are common, so a battery lets solar keep essential loads running during outages. Use our battery bank and runtime calculators to size storage to the hours you actually need.

The national PM Surya Ghar amount: 30,000 per kW up to 2 kW, plus 18,000 for the third kW, capped at 78,000 rupees for 3 kW and above, paid after commissioning. As a special-category North-East state, extra central help may apply, but verify on pmsuryaghar.gov.in.