Featured Solar & Biogas Portfolio
Representative residential rooftops, commercial installations, and farm biogas plants across South Kerala.
Portfolio Summary: Sonetec Powers has successfully engineered and commissioned 1,200+ solar rooftop systems (spanning 2 kW residential to 25+ kW commercial) and 10,000+ waste-to-energy biogas digesters across Kollam, Thiruvananthapuram, Pathanamthitta, and Alappuzha. Every plant is certified for KSEB bi-directional net metering and MNRE subsidy compliance.
Below is a selection of representative installations — from our flagship 25 kWp commercial healthcare on-grid plant at Dr Pradeep's Sindhoor Ayurveda Hospital in Kollam to subsidised residential rooftops and institutional biogas. Every project includes full design, supply, installation, and KSEB or MNRE coordination by our in-house engineering team.
25 kWp Commercial On-Grid Solar
Location: Dr Pradeep's Sindhoor Ayurveda Hospital, Kollam
Flagship healthcare deployment featuring a 3-Phase Luminous NXi 325 inverter, Luminous TOPCon 625W panels, and an elevated roof structure with dedicated central maintenance walkway.
20 kW Commercial On-Grid Solar
Location: NVP, Oyoor, Kollam
Equipped with a 20 kW Luminous 3-Phase on-grid inverter and 615W Luminous TOPCon bifacial panels. Features corner-routed IP65 DCDB/ACDB and synchronized KSEB net metering.
15 kWp Fuel Station Solar (20 kW Inverter)
Location: IOC Petrol Pump, Kuriyode, Nilamel, Kollam
Equipped with a 20 kW 3-Phase Microtek inverter and 15 kW array of 600W Microtek TOPCon panels mounted on a structural steel canopy over the fuel station building.
10 kW 3P Hybrid Solar & LiFePO4 Battery
Location: Residential Project, Karikode, Kollam
Turnkey residential hybrid installation powered by a Power-One 10 kW 3-Phase hybrid inverter, wall-mounted 5.12 kWh LiFePO4 lithium battery, and 6 kW array of 625W Luminous TOPCon panels.
Institutional Biogas
Location: Chadayamangalam, Kollam
Community anaerobic digester converting 150 kg/day kitchen waste into cooking gas and organic fertiliser.
PM Surya Ghar Home Solar
Location: Adoor, Pathanamthitta
Subsidised 3 kW residential rooftop installation with 100% KSEB liaison and ₹78,000 DBT clearance.
Project Highlights Explained
25 kWp commercial on-grid — our flagship healthcare installation at Dr Pradeep's Sindhoor Ayurveda Hospital in Kollam, engineered with a 3-Phase Luminous NXi 325 inverter and ultra-high-efficiency Luminous TOPCon 625W panels. The installation features an elevated canopy structure over sheeted roof with an integrated central walkway for safe maintenance, offsetting over 80% of hospital daytime utility bills via KSEB net metering.
20 kW commercial on-grid — commissioned for NVP in Oyoor, Kollam, powered by a 20 kW Luminous 3-Phase on-grid inverter and 615W Luminous TOPCon high-efficiency panels. Designed to handle commercial daytime power demands with seamless KSEB bi-directional net-meter export.
15 kWp fuel station canopy (20 kW inverter) — commissioned for Indian Oil Corporation (IOC) retail outlet at Kuriyode, Nilamel, featuring a 20 kW 3-Phase Microtek on-grid inverter and 600W Microtek TOPCon panels. Engineered on a heavy-duty structural steel canopy over the station building to power fuel dispensing pumps, LED forecourt floodlights, and station facilities while exporting surplus during daytime peaks.
10 kW 3-phase hybrid with 5.12 kWh LiFePO4 battery — commissioned for a residential project in Karikode, Kollam, powered by a Power-One 10 kW 3-Phase hybrid inverter, a wall-mounted Power-One 5.12 kWh LiFePO4 battery, and a 6 kW array of 625W Luminous TOPCon panels. Combines KSEB net-metered zero-bill export with 24/7 instantaneous blackout protection for high-value residential loads.
PM Surya Ghar residential — typical subsidised home installations across Kollam and Pathanamthitta with national portal registration, KSEB net metering, and DBT subsidy disbursement handled end-to-end by Sonetec.
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