ABB to supply substation to Sumatra
ABB has agreed to supply a prefabricated substation to harness geothermal power on Sumatra island.
ABB’s grid solution will connect the new geothermal power plant near Rantau Dedap, located in a volcanic complex in a remote highland part of South Sumatra, far from the island’s main transmission system. The plant provides 220 megawatts of carbon-free electricity – enough to power almost 500,000 local homes.
Working closely with PT Rekayasa Industri, an Indonesia Engineering, Procurement and Construction (EPC) company and their customer, PT Supreme Energy, ABB is engineering, manufacturing, supplying, installing and commissioning a prefabricated gas-insulated substation (GIS), which will be delivered on-site fully assembled and factory-tested.
“ABB Power Grids delivers fully integrated modular, preassembled solutions that support customer needs,” says Niklas Persson, Managing Director of ABB’s Power Grids Grid Integration Business Line. “Our compact and reliable substation saves installation time and reduces execution risks, which makes it a particularly suitable solution for remote geographical areas.”
Substations enable efficient and reliable transmission and distribution of electricity. Prefabricated substations are modular solutions, delivered from the factory with a high degree of functional integration for quicker installation and commissioning. ABB’s prefabricated GIS substations have an exceptionally compact footprint. They include control, protection and monitoring in a robust frame, which makes them an ideal element to support rapid grid expansions.
The 150-kilovolt (kV) unit with its protective housing is tailor-made for the harsh sulfuric environment of the volcanic Sumatran uplands. The integrated GIS is designed with air over-pressure system and air filtration systems to protect the GIS from the sulfuric air condition in the volcanic area.