Solar panel cost and savings in Purnia, Bihar
Purnia sits at 25.79°N, 87.48°E in Bihar, India. A typical residential solar system there is sized at 4.8 kW, laid out as 11 panels of 440 W each, mounted at a 26 degree tilt facing the sun's midday path.
Based on PVGIS solar radiation data for Purnia's coordinates, that system produces an estimated 6,958 kWh in its first year. At the local electricity price of ₹7.00 per kWh (export ₹3.50 per kWh, daily supply charge ₹8.00), that generation is worth an estimated ₹25,482 a year to a household with typical usage patterns for a 3-person home.
Get a solar estimate for your home in PurniaIncentives in Purnia
1 incentive currently applies to a system installed in Purnia:
Cost and payback
Before incentives, a typical system in Purnia costs an estimated ₹242,000 to ₹363,000 installed. After the incentives above, the estimated net cost is ₹164,000 to ₹285,000, and the system pays back in about 9.3 years at today's local electricity price.
These figures assume a typical 3-person household with no pool, electric vehicle or electric heating, and installation in 2026. Incentive values are provisional estimates, last verified on the date shown against each scheme, and can change. Electricity prices shown here are set at the country level. Incentive amounts, when present, use each scheme's national or regional scope as noted above, except where an incentive's value is itself calculated from Purnia's local solar zone; only the production and payback figures are calculated specifically for Purnia's coordinates. Some Indian states run 1:1 net metering and others use gross metering with a separate, lower feed-in rate. This figure is a rough national blend, not any one state.
Frequently asked questions
How much solar power can a typical home in Purnia generate?
A typical 4.8 kW system (11 panels) in Purnia produces an estimated 6,958 kWh a year, based on PVGIS solar radiation data for its coordinates.
What does solar cost in Purnia after incentives?
Before incentives, a typical system costs ₹242,000 to ₹363,000 installed. After the incentives listed on this page, the estimated net cost is ₹164,000 to ₹285,000.
How long does solar take to pay back in Purnia?
At local electricity prices, a typical system in Purnia pays back in about 9.3 years, with estimated annual savings of ₹25,482.
What solar incentives apply in Purnia?
PM Surya Ghar: Muft Bijli Yojana Central Financial Assistance. Each is detailed above with its estimated value, eligibility and whether it is a national or local scheme.