Free Kerala Solar Savings Calculator
Solar Savings Calculator Kerala: What Can Solar Save on Your KSEB Bill?
Enter your monthly KSEB bill to see the rooftop solar size your home needs, the PM Surya Ghar subsidy, the cost after subsidy and how fast it pays back.
No registration required
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Instant estimate
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PM Surya Ghar subsidy included
Want to work out your KSEB bill from units instead? Use our KSEB bill calculator.
Your Solar Estimate
Calculate Your Solar Savings Online
Enter your average monthly KSEB bill, district and roof details. Don't know your bill amount? Calculate it from your units first.
Your Solar Estimate
Fill in the details below for an accurate recommendation tailored to your home.
Why Kerala is Perfect for Solar
4.5–5.5 Peak Sun Hours Daily
Kerala gets consistent solar irradiance year-round, even during monsoon months.
Current KSEB Domestic Slabs
The estimate uses the KSERC LT-I rates effective from 1 April 2025 to 31 March 2027.
₹78,000 PM Surya Ghar Subsidy
For eligible households: ₹30,000/kW for the first 2 kW plus ₹18,000 for the third kW, up to ₹78,000.
KSEB Net Metering
A bidirectional meter records import and export; current rules apply zone-wise accounting and banking conditions.
MNRE Empanelled — Government registered installer
KSEB Approved Vendor — Seamless net metering setup
Homes and businesses across Kerala
Free site visit — no obligation, no pressure
Your Personalised Estimate
Your Solar Savings Report
Indicative residential estimate only. Your KSEB bill, approved capacity, roof survey, equipment quote, and current utility accounting determine the final result.
Your Cost After Subsidy
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net amount after PM Surya Ghar subsidy
Recommended System Size
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kilowatt-peak (kWp)
PM Surya Ghar Subsidy
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eligible residential CFA estimate
⏳ PM Surya Ghar ALMM milestone
—Months
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—Days
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—Hrs
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—Min
Check current CFA and ALMM rules on pmsuryaghar.gov.in before you sign a quote
Families in your district are already saving with solar.
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People with similar bills in Kerala typically choose this system size — and see payback in under 4 years.
Your latest estimate is ready
Want us to verify this price for your roof?
We’ll attach your latest bill, recommended system size, subsidy and savings estimate to the request—so you do not have to repeat anything.
Estimated System Cost
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before subsidy
Monthly Bill Savings
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estimated per month
Annual Savings
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per year
Payback Period
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years to break even
25-Year Total Savings
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lifetime benefit
CO₂ Offset (Annual)
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tonnes of carbon saved
Investment Recovery Timeline (out of 25-year system life)
Extra paid to KSEB in 2026 (that solar would have saved)
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Every month you wait, this number grows. Solar stops it permanently.
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If your bill rises with future tariff orders (illustrative)
KSEB issued major domestic tariff orders in 2020, 2022, 2023 and 2025 — actual future hikes are not fixed.
Today
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In 5 Years
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With Solar ☀️
~₹0
* Illustrative scenario only — not a forecast of KSEB's next tariff order.
Get Your Verified Solar Plan
Share your name and WhatsApp number. Your latest calculator result will be included automatically.
KSEB Bill
Work Out Your KSEB Bill From Units
Our KSEB bill calculator takes the units on your bill and shows the energy charge slab by slab, the fixed charge and the total, on the current KSERC domestic tariff. It handles monthly and two-monthly bills.
✓ Free site assessment · No obligation
Want Us to Verify This Estimate for Your Roof?
An online KSEB calculator can help you understand electricity costs, but the right solar system cannot be determined from the electricity bill alone. FGE Solar can verify your estimate using:
- Your recent KSEB bill
- Roof dimensions
- Roof orientation
- Shading
- Existing electrical system
- Consumption pattern
- Future electricity requirements
- Applicable subsidy eligibility
About the FGE Solar Savings Calculator
The FGE Solar savings calculator gives Kerala homeowners a first estimate of the rooftop solar size, PM Surya Ghar subsidy, cost and payback that fit their monthly KSEB bill. It is a starting point, not a quotation.
The final system size, cost and savings depend on your roof, shading, consumption pattern and KSEB rules, and are confirmed after a free site assessment and bill review. To calculate the KSEB bill itself from units, use the KSEB bill calculator.
Customer Stories
Countless Families & Businesses Saving on Their Electricity Bills Every Month
Real Kerala homeowners and clinics. Real KSEB bill savings. Watch their stories.
Adars V. S.Manager, Trust Health Care · Trivandrum
Suresh R.Retd. Senior Superintendent, KSEB · Kattayikonam
C. YesodharanVidhya Gardens · Thiruvananthapuram
Questions & Answers
Frequently Asked Questions About Solar Savings
Clear answers to common questions about rooftop solar savings in Kerala.
It depends on how many units you use and how much of the solar power you use during the day. In Kerala each 1 kW of rooftop solar makes about 120 units a month, so a system sized to your monthly units can cover most of your consumption. Enter your bill above for a first estimate.
Divide your average monthly units by 120 for a starting size in kW. A home using 360 units a month would start at about 3 kW. FGE Solar confirms the size after checking your bill, roof and shading.
Homes get ₹30,000 per kW for the first 2 kW and ₹18,000 for the third kW, up to ₹78,000 for systems of 3 kW and above. The subsidy is for residential connections only.
Use the FGE Solar KSEB bill calculator. Enter the units from your bill, choose a monthly or two-monthly bill and your connection type, and it shows the slab-wise energy charge, fixed charge and total.
Solar Planning Hub
Next step after Solar Savings Calculator Kerala
Use these next steps to move from research to a working solar decision.