Sungrow Commissions Sri Lanka’s 10 MW/40 MWh Battery Storage Project in Galle
GALLE, October 12, 2026 — Global renewable energy technology supplier Sungrow has commissioned a 10 MW/40 MWh battery energy storage system (BESS) developed by WKV Hydro Technics (Pvt) Ltd in Galle, marking a significant addition to Sri Lanka’s utility-scale energy storage capacity as the country accelerates its transition towards renewable power.
The project, which commenced commercial operations on September 10, 2026, was developed by WKV Group, a subsidiary of Khen Energy Limited, using Sungrow’s PowerTitan 2.0 battery storage solution. The installation is designed to strengthen grid flexibility, support electricity supply management and facilitate the integration of renewable energy into the national power system.
The commissioning comes as Sri Lanka pursues its long-term target of generating 70% of its electricity from renewable sources by 2030, with solar and wind expected to play increasingly important roles in the energy mix.
As renewable generation expands, large-scale battery storage is becoming an important component of power infrastructure, helping manage fluctuations in electricity supply and demand while supporting grid stability.
Battery storage addresses grid flexibility requirements
Sri Lanka’s electricity demand typically reaches its daily peak at around 7 p.m., creating additional pressure on the power system during evening hours. At the same time, the growing contribution of variable renewable sources such as solar and wind increases the need for technologies capable of responding rapidly to changes in generation and consumption.
The Galle installation is designed to support peak shaving and frequency regulation by storing electricity when it is available and releasing it when required. These capabilities can help balance supply and demand, improve the utilisation of available generation and strengthen the grid’s ability to accommodate a higher share of renewable electricity.
For Sri Lanka’s energy sector, the development also highlights the potential role of battery energy storage systems in complementing renewable generation investments and improving the flexibility of existing electricity infrastructure.
PowerTitan 2.0 designed for demanding operating conditions
Sungrow’s PowerTitan 2.0 solution incorporates integrated battery storage and power conversion systems, supported by intelligent monitoring and management capabilities.
The system combines station-level controls with battery management technology to continuously monitor operating conditions and optimise performance, supporting operational stability and long-term system management.
Its integrated architecture brings the battery system and power conversion system together in a pre-assembled AC-DC block. According to Sungrow, this approach can reduce on-site installation complexity and cut grid-connection time by up to 50%.
The project also presents specific environmental challenges, given its location approximately 500 metres from the coast. High temperatures, humidity and corrosive coastal conditions require equipment designed for demanding operating environments.
Sungrow said the PowerTitan 2.0 system is engineered to withstand such conditions and is designed for an operational life of at least 15 years.
Accelerated commissioning supports project delivery
The project was delivered through close coordination between WKV and Sungrow’s technical and delivery teams.
According to the company, the period from thermal commissioning to pre-site acceptance testing was completed in one week, followed by formal site acceptance testing and commercial operation within five days.
Preparatory work included pre-configuration of technical parameters, inspections of auxiliary power and liquid-cooling systems, and advance planning for grid connection. These measures helped minimise delays during on-site commissioning.
Sungrow’s technical specialists also provided on-site support through site acceptance testing and the transition to commercial operation, enabling the project team to complete the process within a compressed schedule.
The delivery highlights the importance of equipment integration, advance technical preparation and coordination between technology suppliers and project developers in implementing utility-scale energy storage infrastructure.
Industry collaboration supports energy transition
Commenting on the commissioning, Sudath Pathmal, Chief Operating Officer of WKV Group, said the project represented both a technological milestone and a national achievement.
He said the partnership with Sungrow demonstrated how innovation, planning and industry collaboration could contribute to transforming Sri Lanka’s energy landscape and strengthening sustainability and resilience.
For WKV Group, the project adds a utility-scale battery storage installation to its energy portfolio, while Sungrow gains another project reference in a market seeking to expand renewable generation and associated grid-support infrastructure.
Sungrow said it would continue supporting customers in deploying energy storage solutions aimed at improving grid flexibility and enabling greater renewable energy integration.
As Sri Lanka advances its renewable energy ambitions, projects such as the Galle battery installation could help address the operational challenges associated with a changing generation mix. Their broader contribution will depend on effective integration with the national grid, reliable operation and the development of supporting infrastructure and regulatory arrangements.
