Solar guides & news for Kerala and Tamil Nadu
Plain-language, regularly updated answers on solar cost, subsidy, KSEB and TNPDCL net metering, panels, inverters, loans and maintenance.
Our guides answer the questions homeowners, shop owners, institutions and farmers ask before going solar in Trivandrum, Kollam and Kanyakumari. Start with a complete guide on solar for homes, subsidy, cost or net metering, then dive into a specific topic below. Each guide opens with a short answer, shows its assumptions and links to the next step. For shorter, opinionated pieces see the blog, and for rule changes read the Solar Daily Brief.
3kW Solar Cost in Trivandrum 2026
What a 3kW rooftop solar system really costs in Thiruvananthapuram in 2026: price breakdown, ₹78,000 subsidy, net cost, savings and payback.
Read guide →
Solar Subsidy Kerala: PM Surya Ghar Guide
How to claim up to ₹78,000 solar subsidy in Kerala and Tamil Nadu under PM Surya Ghar: eligibility, amounts, documents, steps and common mistakes.
Read guide →
KSEB Solar Net Metering Application Guide
How to apply for rooftop solar and net metering with KSEB: feasibility, documents, installation, inspection, bi-directional meter and billing.
Read guide →
TNPDCL Net Metering for Kanyakumari
Rooftop solar in Nagercoil, Marthandam and Kanyakumari district: TNPDCL net metering steps, PM Surya Ghar subsidy, costs and wind considerations.
Read guide →
How Much Can I Save With Solar in Kerala?
Real worked examples of solar savings for KSEB households: 200, 350 and 600-unit homes, system size, subsidy, bill reduction and payback.
Read guide →
Solar for Villas in Kowdiar
Rooftop solar for large villas in Kowdiar and central Trivandrum: sizing, aesthetics, shading from trees, three-phase, EV and battery options.
Read guide →
Solar for Apartments in Kollam
How apartment owners in Kollam can go solar: common-area systems, RWA subsidy of ₹18,000/kW, shared-roof rules, and per-flat options.
Read guide →Best Solar Panels in Kerala: How to Choose
Choose solar panels for Kerala: DCR vs non-DCR, mono PERC vs TOPCon, warranties, monsoon performance, brands and red flags.
Read guide →
On-Grid vs Hybrid vs Off-Grid Solar
Compare on-grid, hybrid and off-grid solar for Kerala homes: cost, power-cut backup, subsidy and net metering.
Read guide →
Solar + EV Charging at Home
Pair rooftop solar with an EV: sizing, home charger, running-cost savings and the Energy Independence Package for Kerala families.
Read guide →
Solar Loans in Kerala: Complete Guide
How to finance rooftop solar: PM Surya Ghar concessional loans, bank green loans, EMI example and what to avoid.
Read guide →Solar Panel Maintenance in Kerala's Monsoon
How to maintain rooftop solar in Kerala: cleaning schedule, monsoon moss, coastal salt, inverter checks and annual health-check checklist.
Read guide →
Solar Pump Subsidy (PM-KUSUM)
How farmers in South Kerala and Kanyakumari can get solar pumps under PM-KUSUM: subsidy structure, eligibility, process and farm energy audit.
Read guide →Solar for Churches, Schools & Hospitals
Institutional solar for mission schools, churches, hospitals and trusts in Kanyakumari and South Kerala: 20–100 kW sizing, CAPEX vs RESCO, payback.
Read guide →How to Compare Solar Quotes in Kerala
Compare solar installer quotes properly: bill of material, DCR modules, inverter, warranty, subsidy handling, net metering fees, payment terms and red flags.
Read guide →