Sri Lanka has entered a new phase of its energy transition after connecting its first Battery Energy Storage System to the national electricity grid, with a former government minister describing the development as a milestone in the country's shift toward renewable power.

First Connection Made at Midnight

The 10 MW Battery Energy Storage System (BESS) has been connected to the grid through the Galle Grid Substation, marking a major step in Sri Lanka’s efforts to modernize its electricity infrastructure and integrate renewable energy into the national power system.

The project is expected to support grid stability and improve the integration of renewable power as Sri Lanka expands its renewable energy capacity. It also marks the country’s first integration of battery storage technology into the national electricity network.

Larger Capacity Additions Planned in Coming Months

The 10 MW system represents the initial stage of a larger battery storage rollout under the project. An additional 150 MW of battery storage capacity is planned to be connected to the national grid as part of the next phase.

Further additions of 250 MW and 150 MW are also planned in subsequent phases. If all planned capacity is commissioned, the total battery storage capacity connected to Sri Lanka’s national grid would reach 560 MW, including the initial 10 MW system.

Procurement Model Designed to Avoid Predetermined Tariffs

The government plans to use a different procurement approach for the planned battery storage capacity additions, moving away from arrangements that have been used in some previous energy projects.

The projects are expected to be procured through transparent and competitive processes at what is described as reasonable and competitive pricing, rather than through predetermined feed-in tariff arrangements.

Feed-in tariff schemes, commonly referred to as FIT arrangements, set fixed prices at which energy producers can sell electricity to the grid, typically agreed in advance of a project's development.

For the battery storage program, the government intends to adopt a competitive tendering approach, allowing the planned capacity to be procured through an open and price-based process.

Consumer Benefits Central to Government's Energy Rationale

The former energy minister also addressed how the financial outcomes of the battery storage projects are intended to flow through to the public. The government intends to ensure that the financial benefits generated through the projects are passed on to electricity consumers.

Sri Lanka has faced persistent challenges with electricity affordability and grid reliability in recent years, and expanding battery storage capacity has been positioned by the government as a means of addressing both concerns.

Battery energy storage systems allow electricity generated from renewable sources, which can be intermittent, to be stored and dispatched when needed, helping to stabilize supply and reduce dependence on more expensive generation sources.

Scale of Rollout Places Sri Lanka Among Regional Energy Transition Participants

The 560 megawatts of battery storage capacity announced across the multiple phases of the program would represent a substantial addition to Sri Lanka's electricity infrastructure relative to the scale of the country's grid.

The initial 10 MW connection through the Galle Grid Substation establishes the technical foundation for the larger tranches that are expected to follow in sequence over the coming months and into the first half of next year.

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