Update to Electricity Transmission System

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Update to Electricity Transmission System

Modernizing Sri Lanka’s Electricity Transmission System

Sri Lanka is taking significant steps to modernize its electricity transmission system, aiming to achieve multiple benefits such as improving the efficiency of electricity distribution, reducing power outages, and enabling the seamless integration of renewable energy sources into the national grid. This initiative is part of a broader effort to enhance the reliability and sustainability of the country's energy infrastructure.

During an inspection tour of two newly completed substations under the National Transmission and Distribution Network Development and Efficiency Promotion Project (Package 02 Grid Substation), Minister of Energy Kumara Jayakody emphasized the importance of making the power transmission system modernization program efficient and effective. The minister directed the relevant authorities to ensure that the project is implemented in a timely and efficient manner.

Under this project, which is being executed by the Ceylon Electricity Board, three new substations are planned. These include the Battaramulla 132/33 kilovolt substation, the Kirindiwela 132/33 kilovolt substation, and the Kirindiwela 220/132 kilovolt switching center. These developments are expected to significantly improve the capacity and reliability of the transmission network.

The completion of the Kirindiwela Switching Center marks a major milestone in strengthening the transmission of hydropower from the Mahaweli and Kelani power plants to the Western Province. Previously, the region relied on a single transmission line, but the new multi-line transmission network will enhance system reliability and reduce the risk of power failures.

This upgrade will increase the capacity of the 132kV transmission network in the Western Province by 500 MW. Additionally, the new Kirindiwela Substation will boost the distribution capacity by 63 MW, meeting the growing electricity demand in areas such as Kirindiwela, Yakkala, Kadawatha, and surrounding regions. This improvement will ensure a more stable supply of electricity for both residential and industrial users.

Another key benefit of the upgraded network is its ability to integrate rooftop solar power from the Western Province into the national grid. It will also support the future development of large-scale renewable energy projects across the island. By using fewer power lines, the system will become more efficient and less prone to power losses, further enhancing its overall performance.

Minister Jayakody addressed the officials involved in the project, urging them to expedite the construction process. He also reiterated the Ministry’s commitment to providing all necessary support to ensure the successful implementation of the project. This includes financial, technical, and administrative assistance where required.

Key Benefits of the Modernization Program

  • Improved Efficiency: The new substations and switching centers will make electricity distribution more efficient, reducing waste and improving service quality.
  • Enhanced Reliability: A multi-line transmission network will minimize the risk of outages and ensure a more stable power supply.
  • Renewable Integration: The upgraded system will facilitate the integration of renewable energy sources, including solar and hydropower, into the national grid.
  • Increased Capacity: The expansion of the transmission network will meet the rising electricity demand in key regions, supporting economic growth and development.
  • Reduced Power Losses: By optimizing the use of power lines, the system will experience fewer losses, leading to better energy utilization.

The modernization of Sri Lanka’s electricity transmission system represents a critical step toward building a more sustainable and resilient energy infrastructure. With continued investment and strategic planning, the country is well-positioned to meet its growing energy needs while embracing cleaner and more efficient technologies.

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