Solar Energy in Bangalore (Bengaluru): Complete 2026 Guide
Bengaluru is India's tech capital and consistently tops India's city-wise rooftop solar rankings. BESCOM issues approvals fastest among metro DISCOMs, often under 3 weeks. With electricity tariffs charged by BESCOM at ₹7.40/unit and rising every year, switching to rooftop solar is now the single best financial decision a Bangalore (Bengaluru) household can make in 2026.
Solar Potential: How Much Can You Generate in Bangalore (Bengaluru)?
Bangalore (Bengaluru) receives approximately 5.4 peak sun hours per day (based on MNRE solar radiation data for this region). This means every 1 kW of rooftop solar installed here generates about 1,642 units of electricity per year.
For a typical 3 kW system — the most popular size for a 2–3 BHK home — you can expect:
- ~13.5 units per day on average (higher in summer, lower in monsoon)
- 4,928 units per year
- ₹2,997/month savings on your BESCOM electricity bill
- Payback period: ~2.8 years after PM Surya Ghar subsidy
PM Surya Ghar Subsidy for Bangalore (Bengaluru) Residents
Residents of Bangalore (Bengaluru) in Karnataka are fully eligible for the PM Surya Ghar Muft Bijli Yojana. The central government provides a Direct Benefit Transfer (DBT) subsidy directly to your bank account:
- Up to 2 kW system: ₹30,000/kW (total ₹60,000 for 2 kW)
- 2 kW to 3 kW: ₹18,000/kW for the additional capacity
- Above 3 kW: No additional central subsidy — but net metering earnings continue
- Maximum central subsidy: ₹78,000 for a 3 kW system
State subsidy note: No Karnataka state top-up. Central PM Surya Ghar subsidy applies. BESCOM processes approvals within 30 days under the Solar Rooftop Policy.
Cost & Savings Table — Bangalore (Bengaluru) (2026)
| System Size | Gross Cost | Subsidy | Net Cost | Annual Generation | Monthly Savings | Payback |
|---|---|---|---|---|---|---|
| 1 kW | ₹60,000 | ₹30,000 | ₹30,000 | ~1,642 units | ₹999/month | 2.5 yrs |
| 2 kW | ₹120,000 | ₹60,000 | ₹60,000 | ~3,285 units | ₹1,998/month | 2.5 yrs |
| 3 kW | ₹180,000 | ₹78,000 | ₹102,000 | ~4,928 units | ₹2,997/month | 2.8 yrs |
| 5 kW | ₹300,000 | ₹78,000 | ₹222,000 | ~8,212 units | ₹4,995/month | 3.7 yrs |
| 10 kW | ₹600,000 | ₹78,000 | ₹522,000 | ~16,425 units | ₹9,990/month | 4.4 yrs |
* Costs are indicative estimates for Bangalore (Bengaluru) as of 2026. Actual prices vary by brand (Waaree, Adani, Tata, Vikram). Savings calculated at ₹7.40/unit tariff. Use our cost calculator for personalised estimates.
Your DISCOM: BESCOM
In Bangalore (Bengaluru), electricity distribution and net metering for rooftop solar is managed by BESCOM (Bangalore Electricity Supply Company). Here's what you need to know about solar net metering under BESCOM:
- Net metering limit: up to 500 kW per consumer per consumer connection
- Meter type: Bi-directional smart meter (provided and installed by BESCOM)
- Billing cycle: Monthly — excess units exported to grid are credited against your consumption
- Annual settlement: Any remaining credit units are carried forward; some DISCOMs pay a feed-in tariff for net annual export
- Application portal: bescom.org
Step-by-Step: How to Get Solar in Bangalore (Bengaluru)
- Check your eligibility: Use our Subsidy Calculator to see the exact PM Surya Ghar amount for your home's load and Karnataka location.
- Size your system: Use the Panel Requirement Calculator — enter your monthly bill in units. Most Bangalore (Bengaluru) households need a 2–4 kW system.
- Register on the National Portal: Go to pmsuryaghar.gov.in, register with your Aadhaar and BESCOM consumer number.
- Choose an MNRE-empanelled installer from the portal's vendor list — do not use non-empanelled vendors as your subsidy will be blocked.
- Get installation done: Typical completion time in Bangalore (Bengaluru): 2–4 days for a residential system.
- Submit inspection documents to BESCOM for net meter installation (usually within 15–30 days).
- Receive subsidy: DBT credit directly to your bank account within 30 days of net meter commissioning.
Solar ROI Analysis for Bangalore (Bengaluru)
Here's a quick back-of-envelope calculation for a typical Bangalore (Bengaluru) household:
- Monthly electricity bill before solar: ~₹1,850 (250 units/month)
- 3 kW solar system generates ~405 units/month
- Monthly bill after solar: near ₹0 (net metering covers remaining consumption)
- Monthly savings: ₹2,997
- Annual savings: ₹35,964
- 25-year savings (at 5% tariff escalation): ₹944,000+
Want the exact numbers for your home? Use our Solar ROI Calculator and Solar Loan EMI Calculator if you're considering financing.
Nearby Cities Also Exploring Solar
If you found this guide useful, also check our guides for nearby cities: Mysore, Hubli Dharwad, Mangalore — each with city-specific DISCOM, tariff, and cost data.
For state-level subsidy policy in Karnataka, see our Karnataka Solar Calculator.