Overview
Tangga (Asahan II) is a 317 MW hydroelectric power plant in Indonesia, operated by PT. Indonesia Asahan Aluminium. It harnesses hydropower to contribute to the national grid.
Tangga (Asahan II) is a hydroelectric power plant located in Indonesia, with a capacity of 317 megawatts. It is owned and operated by PT. Indonesia Asahan Aluminium, a major industrial player in the region. The plant is part of the Asahan II hydropower project, which utilizes the flow of the Asahan River to generate electricity. The facility operates as a run-of-river hydroelectric plant, a common technology in Indonesia's mountainous terrain. With a capacity of 317 MW, it falls into the medium-to-large scale for hydroelectric plants in the country. Indonesia's power generation sector is regulated by the Ministry of Energy and Mineral Resources, and hydroelectric plants like Tangga (Asahan II) benefit from the country's abundant water resources and supportive policies for renewable energy. This plant plays a significant role in supplying clean energy to the Sumatran grid, reducing reliance on fossil fuels. Its operation by PT. Indonesia Asahan Aluminium also supports the local aluminum smelting industry, providing a stable power supply for industrial processes. The facility contributes to Indonesia's goals of increasing renewable energy capacity and reducing greenhouse gas emissions.
Environmental context
As a hydroelectric plant, Tangga (Asahan II) has a low carbon footprint compared to fossil fuel plants, but its environmental impact includes potential alterations to river ecosystems and local hydrology. The plant is located in a region with tropical rainforests and diverse wildlife, so careful management of water flow and fish passage is important. Proximity to populated areas may also influence local water use and flood control measures.
Frequently asked questions
Tangga (Asahan II) is located in Indonesia, specifically on the Asahan River in North Sumatra. The plant's coordinates are approximately 2.5479° N, 99.3028° E.
Tangga (Asahan II) has a capacity of 317 megawatts (MW), making it a medium-to-large hydroelectric facility in Indonesia.
The plant is owned and operated by PT. Indonesia Asahan Aluminium, a company involved in aluminum smelting and power generation.
Hydroelectric plants in Indonesia are regulated by the Ministry of Energy and Mineral Resources, with permits required for water use and environmental impact. The government promotes renewable energy through feed-in tariffs and national energy plans.
As a renewable hydroelectric plant, Tangga (Asahan II) helps Indonesia reduce its reliance on fossil fuels and supports the country's target of 23% renewable energy by 2025.