Solar Calculator Arunachal Pradesh 2026

Rooftop solar in Arunachal Pradesh: the Department of Power and 2026 metering

Power across Arunachal Pradesh is supplied by the state Department of Power (DoP), which acts as the single utility for generation, transmission and distribution. Domestic supply leans heavily on hydro, so headline energy slabs are modest, but the state is spread across remote hill districts where lines are long and faults are common. That mix — reasonable tariffs but shaky reliability — is exactly where a rooftop system paired with a battery earns its keep.

Net metering and how you connect

Rooftop systems connect under the state net-metering framework aligned with national rooftop rules. Units your panels push to the grid are netted against units you draw, and you pay on the balance. Because DoP domestic slabs are telescopic, energy you use inside your own home during daylight is worth more than energy you export, so matching panel size to daytime load is the smart move.

• Single state utility: the Department of Power, Arunachal Pradesh.
• Net metering broadly follows national rooftop norms; confirm the current export cap with your local electrical division.
• Representative domestic tariff used here is about 5 rupees per unit; low-consumption slabs can be lower.

Sunshine, terrain and grid reliability

Arunachal sits in the eastern Himalaya, with a long, cloudy south-west monsoon from roughly June to September and deep valleys that shade some sites. We use a conservative yield of about 3.8 units per kW per day as an annual average, already discounting the wet months. The real prize here is resilience: when the grid trips during storms, a solar-plus-battery setup keeps lights, phones and a fridge running. Model that with our off-grid solar calculator and 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 systems of 3 kW and above (up to 10 kW residential), released as a bank transfer after commissioning, with collateral-free loans near 7 percent. Arunachal Pradesh is a PM Surya Ghar special-category North-East state, so enhanced central assistance may apply; treat that as unconfirmed and verify current terms on pmsuryaghar.gov.in before you budget. Compare set-ups on our on-grid solar calculator.

A quick worked example

Take a 3 kW system near Itanagar. At about 3.8 units per kW per day it makes roughly 11.4 units daily, near 340 units a month averaged over the year. Offsetting units worth about 5 rupees each, that is close to 1,700 rupees of monthly value before monsoon dips. After the 78,000 rupee subsidy, payback usually lands within a few years. Start from the India solar calculator or check returns 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

The state Department of Power (DoP) is the single utility handling generation, transmission and distribution. You apply through your local electrical division for a net-metered rooftop connection and claim the PM Surya Ghar subsidy on the self-owned CAPEX route.

Often yes. Hill districts see frequent outages during storms and the long monsoon, so a battery lets your solar keep essential loads running when the grid is down. Size it with our battery bank and battery runtime calculators rather than guessing.

The confirmed national amount is 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, enhanced central help may apply, but verify current terms on pmsuryaghar.gov.in.

Yes, generation dips through the June to September rains and in shaded valleys, which is why we use a conservative full-year yield of about 3.8 units per kW per day. Judge the system on the annual average, not on a bright winter afternoon.