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Solar Calculator Punjab 2026

Size a rooftop system for your Punjab home and see cost, payback and PM Surya Ghar subsidy of up to 78,000 with PSPCL net metering.

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4.4 unitsper kW of panels per day in Punjab (average of 3 cities)
4,812 unitsa year from a 3 kW system
Mar 5.0 · Jul 3.4best and weakest month, units per kW per day
34° facing southbest fixed panel angle in Chandigarh (capital)
#7 of 36states and UTs ranked by solar output per kW

1 Your electricity

Enter your 6-digit PIN to auto-fill your district's average daily generation from NASA satellite data. You can always edit it below.

₹
₹/unit

Indian residential tariffs typically run ₹6–₹9 per unit and rise every year. Check a recent bill for your exact slab rate.

2 Cost & generation

₹/kW

A complete on-grid setup (panels, inverter, structure, wiring, installation) runs about ₹50,000–₹60,000 per kW in 2026. Tier-1 brands (Tata, Adani, Waaree) cost a little more.

units/kW/day

Most of India gets about 4 units (kWh) per kW per day on average; sunnier states (Rajasthan, Gujarat) can reach 4.5–5.

3 Subsidy & state top-up

Central subsidy: ₹30,000/kW up to 2 kW, +₹18,000 for the 3rd kW, capped at ₹78,000 for any system 3 kW and above (residential, up to 10 kW). As of May 2026 (per MNRE). Always confirm current rates at pmsuryaghar.gov.in before applying.

₹/kW

Some states add their own subsidy on top of the central one (e.g. Gujarat has offered ₹10,000/kW). Enter your state's per-kW top-up if any — leave 0 if unsure. Verify with your DISCOM.

4 How you'll pay

Your free-electricity date
—
— kW system · — panels
System cost (before subsidy)—
PM Surya Ghar subsidy—
State top-up—
Net cost to you—
Annual bill savings—
Payback period—
25-year savings—
— units/day Subsidy ₹—

Indicative estimates only. Subsidy rules and tariffs change by government notification and vary by state/DISCOM. Assumes a gradual annual tariff rise and panel degradation. Confirm current PM Surya Ghar rates and get installer quotes before purchasing.

Cumulative savings over 25 years
Starts negative (your net cost), crosses zero on your free-electricity date, then climbs into profit.
How PM Surya Ghar subsidy is calculated
Central subsidy slabs (residential, as of May 2026):
• Up to 2 kW: ₹30,000 per kW (1 kW = ₹30,000; 2 kW = ₹60,000)
• 3rd kW: +₹18,000 (so 3 kW = ₹78,000)
• 3 kW and above: capped at ₹78,000 (no extra above 3 kW; residential eligibility up to 10 kW)

Net cost = system cost − central subsidy − state top-up. Annual savings = annual units generated × tariff (capped at your usage). Payback = net cost ÷ annual savings; the free-electricity date is today plus the payback period. Source: Ministry of New & Renewable Energy / pmsuryaghar.gov.in — verify current values before applying.

Rooftop solar in Punjab

Punjab is served by a single state utility, Punjab State Power Corporation Limited (PSPCL), which handles both distribution and your net-metering connection. Under the state rooftop framework, domestic consumers can set up net metering up to their sanctioned load, commonly to 10 kW, with exported surplus credited against imported units and settled periodically. Because PSPCL revises its commercial circulars from time to time, confirm the current net-metering terms and any banking limits before you apply.

Tariffs, free power and savings

Punjab runs a 300-unit free electricity scheme for domestic households, so many families pay little or nothing on modest usage. Above that threshold, or for larger homes, marginal grid power sits near ₹7 per unit, and that is where a rooftop system earns its keep. A well-sited array in the Punjab plains yields about 4.4 units per kW per day, roughly 1,600 units per kW each year. Use our solar savings calculator to turn your bill into an estimated size.

Agricultural context

Punjab also supplies free power to farm tube-well connections, a long-standing subsidy that shapes the state power economy. For irrigation loads, feeder-level or off-grid solar under schemes like PM-KUSUM can matter more than a home rooftop; explore pump sizing in the KUSUM solar pump calculator.

How PM Surya Ghar applies

The national PM Surya Ghar: Muft Bijli Yojana pays ₹30,000 per kW for the first 2 kW and an extra ₹18,000 for the 3rd kW, capping the central subsidy at ₹78,000 for systems of 3 kW and above, with net metering to 10 kW. The money reaches you by DBT after commissioning and inspection, and the balance can be met with a collateral-free loan near 7 percent - model repayments in the solar loan EMI calculator.

A worked example

Take a 3 kW system in Ludhiana. At 4.4 units per kW per day it may generate about 4,800 units a year. For a household consuming beyond the free slab at around ₹7 per unit, that offsets close to ₹33,000 annually. With central support of ₹78,000 trimming a gross cost near ₹1.7 lakh to under ₹1 lakh net, payback often lands in roughly three years. Treat these as planning figures - weather, shading and how much you exceed the free allowance all change the outcome. For a battery-free layout see the on-grid solar calculator, or start from a national baseline with the India solar calculator.

Solar generation in Punjab, month by month

From PVGIS 5.3 (European Commission Joint Research Centre), ERA5 solar data 2005-2023: a 1 kW grid-tied system at the best fixed angle with 14% system losses. Figures are the average of Chandigarh (capital), Ludhiana, Amritsar. The calculator above uses 4.4 units per kW per day as its default.

Monthunits per kW per day3 kW system, units in the month
January4.3400
February4.7401
March5.0463
April4.9444
May4.6425
June4.1370
July3.4312
August3.5327
September4.1368
October4.8449
November4.7425
December4.6428

Solar output by city

Cityunits/kW/dayunits/kW/year3 kW, units/yearBest tilt
Ludhiana4.41,6114,83433°
Chandigarh (capital)4.41,6094,82634°
Amritsar4.41,5924,77734°

What each system size produces in Punjab

Systemunits per dayunits per monthunits per year
1 kW4.41341,604
2 kW8.82673,208
3 kW13.24014,812
5 kW22.06688,021
10 kW43.91,33716,041

How Punjab compares

Punjab ranks #7 of 36 states and union territories for output per kW: 1,604 units a year, 7% above the middle state (1,495). The range runs from 1,150 in Sikkim to 1,939 in Ladakh — see the full state ranking.

Solar calculators for nearby states & UTs

Compare subsidy, tariff and net-metering figures with the neighbouring states, or see all 36 in the India states directory and the national India solar calculator.

Frequently asked questions

Does Punjab give a state solar subsidy on top of PM Surya Ghar?

No separate per-kW state capital subsidy is confirmed active for Punjab in 2025-26; the main benefit is the central PM Surya Ghar amount of up to ₹78,000 for 3 kW and above. Always check with PSPCL for the latest schemes before you rely on any figure.

How does Punjab 300-unit free power affect solar savings?

If your usage stays within the 300-unit free slab you may already pay little, so solar saves most when your consumption runs above the free limit at around ₹7 per unit. Larger homes and higher bills see the fastest payback.

Who processes my net-metering application in Punjab?

PSPCL is the single distribution utility for the state and handles net metering up to your sanctioned load, commonly to 10 kW for domestic connections. Apply through the national portal linked to PSPCL.

What can a 3 kW rooftop system save each year in Punjab?

At about 4.4 units per kW per day a 3 kW system may generate near 4,800 units. For consumption above the free slab at roughly ₹7 per unit that is close to ₹34,000 a year, though weather, shading and usage change the result.

How much electricity does a 3 kW solar system generate in Punjab?

About 13 units a day or 4,812 units a year on average, from about 10.1 a day in July to 14.9 a day in March, according to PVGIS data for panels at the best fixed angle. Shading, dust and orientation change the result.

Learn more

Sources & standards

Punjab's subsidy, free-power slab and net-metering figures are checked against the national renewable-energy ministry, the PM Surya Ghar portal and the Punjab State Electricity Regulatory Commission that sets PSPCL's tariffs.