Karnataka Solar Calculator (2025)
Calculate your rooftop solar ROI, payback period, and lifetime savings in Karnataka. Get accurate estimates with 2025 BESCOM tariff rates, government subsidies, and net metering benefits.
Why Choose Solar in Karnataka? (2025 Edition)
Karnataka continues to be a solar energy leader in India, with excellent solar irradiance levels averaging 5.2-5.8 kWh/m²/day across the state. With BESCOM electricity tariffs rising and solar panel costs decreasing, 2025 presents an optimal time for Karnataka residents to invest in rooftop solar.
Excellent Solar Potential
Karnataka receives 300+ sunny days annually with high solar irradiance, making it ideal for solar energy generation and quick ROI.
Rising Electricity Costs
BESCOM tariffs have increased significantly, with residential rates now ₹4.50-₹7.50 per unit, making solar a cost-effective alternative.
Karnataka Solar ROI Calculator
Get instant calculations for your solar investment with Karnataka-specific data
Calculate Your Solar Investment
Check your BESCOM electricity bill for accurate consumption
Typical range: ₹50,000 - ₹75,000 per kW in Karnataka
Central subsidy: ₹18,000/kW (up to 3kW) + ₹9,000/kW (3-10kW)
Your Solar Investment Analysis
Calculations based on Bangalore solar irradiance, BESCOM tariff rates, and standard system performance. Actual results may vary based on roof orientation, shading, and system quality.
Karnataka Solar Policy & Subsidy Updates (2025)
Government Subsidies
- Central subsidy: ₹18,000/kW (up to 3kW)
- Additional ₹9,000/kW (3-10kW capacity)
- State incentives through BESCOM
- Accelerated depreciation for commercial
Net Metering Policy
- Bi-directional metering available
- Annual settlement of excess units
- Up to 90% of sanctioned load
- Streamlined approval process
2025 Policy Highlights
Karnataka has simplified the rooftop solar approval process with online applications through BESCOM. The state continues to support net metering and has extended subsidy benefits for residential consumers. New regulations also promote solar adoption in apartments and commercial establishments.
Karnataka Electricity vs Solar Cost Comparison (2025)
See how much you can save with rooftop solar compared to BESCOM electricity rates
10-Year Cost Analysis: Grid vs Solar
BESCOM Grid Electricity (10 Years)
Solar Power System (10 Years)
Plus you get free electricity for the next 15+ years!
Residential Tariff Comparison (BESCOM 2025)
| Monthly Usage | BESCOM Rate | Solar Rate | Monthly Savings | Annual Savings |
|---|---|---|---|---|
| 0-30 units | ₹2.55 | ₹0.00 | ₹77 | ₹920 |
| 31-75 units | ₹3.75 | ₹0.00 | ₹169 | ₹2,025 |
| 76-125 units | ₹4.90 | ₹0.00 | ₹245 | ₹2,940 |
| 126-200 units | ₹6.15 | ₹0.00 | ₹461 | ₹5,535 |
| 201-300 units | ₹7.30 | ₹0.00 | ₹730 | ₹8,760 |
| 300+ units | ₹8.50 | ₹0.00 | ₹850 | ₹10,200 |
Commercial & Industrial Tariff Comparison
| Category | BESCOM Rate | Solar Rate | Per Unit Savings | Annual Savings (720 units/month) |
|---|---|---|---|---|
| LT Commercial | ₹6.85 | ₹0.00 | ₹6.85 | ₹4,930 |
| HT Commercial | ₹7.25 | ₹0.00 | ₹7.25 | ₹5,220 |
| Industrial LT | ₹6.50 | ₹0.00 | ₹6.50 | ₹4,680 |
| Industrial HT | ₹5.85 | ₹0.00 | ₹5.85 | ₹4,212 |
Important Notes
- BESCOM tariff rates are as per the latest 2025 revision and include all surcharges
- Solar rates shown are effective costs after accounting for system payback period
- Savings calculations include government subsidies and net metering benefits
- Commercial calculations assume 720 units monthly consumption for comparison
Best Solar Products for Karnataka Homes
Carefully selected solar equipment perfect for Karnataka's climate and BESCOM grid compatibility
Amazon Associates Disclosure: This site contains affiliate links to Amazon.in. We may earn a commission from qualifying purchases at no additional cost to you. All product recommendations are based on quality, suitability for Karnataka's climate, and customer reviews. Our editorial content remains independent of affiliate partnerships.
Solar Inverters
Luminous Solar NXG1800 Hybrid Inverter
1.8kW hybrid solar inverter with MPPT technology, perfect for Karnataka homes
Luminous Solaredge 3kW Solar Inverter
High-efficiency 3kW solar inverter with advanced monitoring for Karnataka weather
Solar Panels
Vikram Solar 330W Monocrystalline Panel
High-efficiency monocrystalline solar panel, ideal for Karnataka's climate conditions
Vikram Solar 540W Bifacial Panel
Advanced bifacial solar panel generating power from both sides, perfect for Karnataka rooftops
Solar Batteries
Exide Solar C10 150Ah Tubular Battery
Deep cycle tubular battery designed for solar applications in Karnataka
Exide Solar 200Ah C10 Tubular Battery
High-capacity solar battery with long life, suitable for larger Karnataka homes
Complete Systems
Luminous 3kW On-Grid Solar System
Complete 3kW on-grid solar system perfect for BESCOM net metering in Karnataka
Vikram 5kW Hybrid Solar Kit
5kW hybrid solar system with battery backup, ideal for Karnataka weather patterns
Accessories
Solar Panel Cleaning Kit
Professional cleaning kit for maintaining solar panels in Karnataka's dusty conditions
Exide Solar Water Heater 200L
Solar water heater perfect for Karnataka climate, reduces electricity consumption
Why These Products Are Perfect for Karnataka
Frequently Asked Questions
Get answers to common questions about solar energy in Karnataka
Still Have Questions?
Our Karnataka solar experts are here to help you make the right decision for your home or business.
Ready to Go Solar in Karnataka?
Calculate your exact savings and start your solar journey today!