Headquarters & Local Branches

Rooftop Solar in Kollam

MNRE-empanelled solar installer with head office in Chathannoor and branch offices in Anchal and Chadayamangalam.

⚡ Kollam — check feasibility before transformer limits close

Transformer capacity varies ward by ward across Kollam district. Contact Sonetec to confirm your locality is still open for rooftop solar — feasibility may not be available later.

Start saving now. Forget the bills.

Avg Peak Sun Hours
4.92
kWh/m² / day in Kollam
Avg Generation
120+
Units / kW / month
Local Hubs
3
HQ + 2 Kollam Branches
Service SLA
24h
On-Site Direct Response

Kollam's Local Solar Partner

Sonetec Powers has been serving Kollam district since 2013 from our headquarters near LM Mall, Chathannoor. With dedicated branches in Anchal and Chadayamangalam, we're closer than ever to homeowners and businesses across the district.

We handle the full process — site survey, system design, KSEB net metering paperwork, PM Surya Ghar subsidy coordination, installation and after-sales service.

KSEB Electrical Sections We Serve in Kollam:

Chathannoor Kottarakkara Karunagappally Kundara Paravur Anchal Punalur Chadayamangalam
+ Serving all other KSEB electrical sections across Kollam district: There are dozens more electrical sections throughout Kollam district. Operating from our central headquarters near LM Mall in Chathannoor and branch offices in Anchal and Chadayamangalam, Sonetec covers 100% of Kollam district — handling distribution transformer feasibility, fast KSEB net-meter approvals, and PM Surya Ghar subsidy paperwork for every residential and commercial connection.
  • 1,200+ solar projects across South Kerala
  • PM Surya Ghar subsidy up to ₹78,000
  • On-grid, hybrid and off-grid systems
  • Commercial solar up to 25 kWp+
25 kW commercial rooftop solar installation at Dr Pradeep's Sindhoor Ayurveda Hospital in Kollam
Verified Kollam Residential Case Study

5 kW TopCon Array — Residence near LM Mall, Chathannoor

Monthly KSEB bill dropped from ₹5,400 to ₹180 (minimum grid access charge). ₹78,000 central subsidy credited directly within 22 days of net-meter commissioning.

100% Zero-Carbon Powered
Verified Kollam Hybrid & Battery Station

10 kW 3P Hybrid + 5.12 kWh Battery — Residence, Karikode

Power-One 10 kW 3-Phase hybrid inverter paired with 5.12 kWh LiFePO4 battery and 6 kW (625W) Luminous TOPCon panels. Powers whole-house loads with zero-interruption UPS transition during grid outages while exporting daytime surplus to KSEB.

Power-One 10kW 3P · 5.12 kWh LiFePO4 · 625W TOPCon
Verified Kollam Commercial Landmarks

25 kWp Sindhoor Ayurveda Hospital & 20 kW NVP Oyoor

Equipped with high-performance Luminous 3-Phase on-grid inverters and Luminous TOPCon (615W–625W) modules. Features engineered mounting structures, IP65 DCDB/ACDB, and synchronized 3-phase KSEB net metering offsetting commercial utility bills by up to 85%.

Luminous 3-Phase · 615W/625W TOPCon · KSEB Synchronized
Sonetec branch office area in Kollam district

Solar Services Across Kollam District

From coastal Paravur to inland Anchal and Punalur, Kollam district has diverse roof types — traditional tiled homes, concrete flats, commercial complexes and farm buildings. Our Chathannoor headquarters and branch offices in Anchal and Chadayamangalam mean shorter travel times and faster support for Kollam customers.

We install residential systems from 1–5 kW with PM Surya Ghar subsidy support, and commercial plants up to 25 kWp+ for shops, fuel pumps, healthcare institutions, and small industries. Biogas and waste management solutions are also available for Kollam farms and institutions.

Popular in Kollam

  • 3 kW on-grid home solar with ₹78,000 subsidy
  • Hybrid systems for areas with frequent power cuts
  • Commercial solar for Kollam–Thiruvananthapuram highway businesses
  • Household and farm biogas plants

Our Kollam Offices

HQ

Chathannoor

Near LM Mall, Chathannoor, Kollam 691572
+91 474 259 7433

Branch

Anchal

Kuruvikonam, Anchal, Kollam 691306
+91 8589 059 201

Branch

Chadayamangalam

Kuriyode, Chadayamangalam, Kollam 691534
+91 8589 059 202

Free Site Survey in Kollam

Book Survey PM Surya Ghar Guide