The South Africa Department of Energy (DOE) has awarded preferred bidder status for a 100 megawatt (MW) Concentrating Solar Power (CSP) project to SolarReserve and International Company for Water and Power Projects (ACWA Power). The project was developed in response to the DOE’s Round 3 (CSP) Renewable Energy Independent Power Producer Procurement Programme (REIPPPP). The Redstone Solar Thermal Power project, with the lowest tariff bid to date from any CSP project in the country, is scheduled to achieve financial close later in 2015 and commence operations in early 2018.
The first of its kind in Africa, the Redstone Solar Thermal Power Project features SolarReserve’s molten salt energy storage technology in a tower configuration. According to SolarReserve, the 100 MW project with 12 hours of full-load energy storage will be able to reliably deliver a stable electricity supply to more than 200,000 South African homes during peak demand periods.
Fueled completely by the sun, with no back up fuel required, the project also features dry cooling of the power generation cycle as an important element to minimize water use. The project technology will be based on SolarReserve’s successful Crescent Dunes project in the U.S., which is complete with construction and currently in final commissioning.
“The Redstone project marks an important technology advancement for South Africa in solar power,” said SolarReserve’s CEO Kevin Smith. “Due to the fully integrated thermal energy storage, the plant will provide dispatchable power on-demand, just like conventional coal, oil, nuclear or natural gas-fired power plants, but without the harmful emissions or hazardous materials and without any fuel cost. In addition, the project’s delivered electricity price is the lowest of any Concentrating Solar Power project in the country to date.”
The Redstone Solar Thermal Power Project will be located in Postmasburg, near Kimberley in the Northern Cape Province, adjacent to the 75 MW Lesedi and 96 MW Jasper photovoltaic (PV) solar power projects successfully developed by SolarReserve and its investment partners. Together, the three projects comprise the world’s first combined CSP and PV solar park with a total of 271 MW of generating capacity.
“This Redstone Solar Project together with our 50 MW Bokpoort CSP project in South Africa and the Noor1, 160 MW solar thermal power plant at Ouarzzate in Morocco, extends ACWA Power’s success in solar energy on the African continent,” added Paddy Padmanathan, president and CEO of ACWA Power. “All aspects of the project, from development phase to construction and then operations, have been structured to ensure maximization of value retention in not just only the South African economy, but also within the local economy of Northern Cape Province recognizing the intrinsic value in co-developing local people along with this asset which will co-exist with the local community for decades to come.”
Source: Domestic Fuel
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