Who we are
Terrawatt Pty Ltd is a Sri Lanka–based solar and battery specialist with deep Australian roots through our partner Gnowee Solar Pty Ltd. With 20+ years of design-and-build experience, we deliver clean energy systems that are engineered the Australian way—then tailored for Sri Lankan homes, businesses, and public facilities.
What makes us different
Built to Australian Standards: Every system is designed and documented to AS/NZS 5033 (PV arrays), AS/NZS 4777 (grid connection) and AS/NZS 3000 (wiring rules), with commissioning and safety checklists to match.
Australian tech & approvals: We specify CEC-approved panels, inverters and balance-of-system components, and pair them with SWATTEN LFP batteries—all selected against Australian performance and safety benchmarks.
Australian design, local delivery: Designs and QA are led by our Australia–Sri Lanka engineering team; installation and after-sales support are handled by our island-wide crews for fast, reliable service.
Results you can measure: Clear yield forecasts, monitoring apps, and lifetime support so you know exactly what you’re saving.
Schedule your appointment today to explore a tailored solar + battery solution. Our experts will guide you through a seamless transition to sustainable energy—maximising efficiency, safety and cost-effectiveness with proven Australian standards and products.
Contact: 0777 348 247
Email:info@terrawattsl.com
