Redstone Solar Thermal Power

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Coordinates: 28°18′S 23°21′E / 28.300°S 23.350°E / -28.300; 23.350
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Redstone Solar Thermal Power
Map
CountrySouth Africa
LocationPostmasburg, Northern Cape Province
Coordinates28°18′S 23°21′E / 28.300°S 23.350°E / -28.300; 23.350
StatusUnder construction
Construction began2021
Construction cost$715 million
Owner(s)ACWA Power
Solar farm
TypeCSP
CSP technologySolar power tower
Power generation
Units planned1
GW·h (planned)
Storage capacity1,200 MW·he
External links
Websiteredstone csp ipp
[edit on Wikidata
]

Redstone Solar Thermal Power (RSTP) is a

megawatts (MW) to deliver power to 200,000 people and was awarded in bid window 3.5 of the REIPPP at a strike price of 122.3 ZAR/KWh including time of day pricing in 2015.[1]
The project was initially based on the technology of now bankrupt Solar Reserve, but was delayed for several years because the PPA was not signed by Eskom until 2018.[2] After the project was revived the plant is now under construction
Brightsource and John Cockerill, as demonstrated in the Noor Energy 1
project in the UAE. [4] [5]

Announcement in 2015

In January 2015, the South Africa Department of Energy awarded the RSTP project to a consortium led by

kWh peak rate (2015 rate).[7]
The RSTP project would create 800 direct jobs during construction, with a planned 30-year operating life.

Technology

The RSTP project features a 2-tank direct molten salt energy storage with 12 hours of full-load energy storage, namely 1200

MW Jasper photovoltaic solar power projects. Together the three projects comprise a combined CSP and PV solar park with a total 271 MW of generating capacity.[8]

Delay since 2016

In early 2016, the power purchase agreement (PPA) worth R50 billion with Eskom was postponed because of a generation surplus.[9][10]

In April 2018, the purchase power agreement (PPA) with Eskom was signed.[10] In August 2019, it was reported that financing for Redstone was complete.[11]

It is unclear what the bankruptcy of technology provider SolarReserve in 2020 means for the project.[12] On 10 May 2021 ACWA Power announced the achievement of financial close, with commercial operations expected to commence in Q4 2023.[13]

See also

References

  1. doi:10.1063/1.4949199
    .
  2. ^ "Redstone CSP Contract Signed After 2-Year Delay". 4 April 2018.
  3. ^ "How a Bank Resurrected SolarReserve's Redstone CSP with ACWA Power". 7 June 2021.
  4. ^ "EPC Contract of South Africa Redstone Project - SEPCOIII News".
  5. ^ "Redstone | New BrightSource Ltd - Advancing Solar Technology for a Cleaner Energy Future".
  6. ^ "SolarReserve Wins Bid to Build South African Solar Plus Storage Plant". 8 January 2015. Retrieved 8 June 2015.
  7. ^ James Larmuth, and Alberto Cuellar. An updated review of South African CSP projects under the renewable energy independent power producer procurement programme (REIPPPP). AIP Conference Proceedings 2126, 040001 (2019); https://doi.org/10.1063/1.5117581 Published Online: 26 July 2019
  8. ^ "Nuwe kragaanleg voordelig". Retrieved 8 June 2015.
  9. ^ "A 20-year power purchase agreement with Redstone Solar Thermal Power postponed until further notice". www.eskom.co.za. Retrieved 2016-08-19.
  10. ^ a b "Redstone CSP Contract Signed After 2-Year Delay". solarpaces.org. 2018-04-04. Retrieved 2019-06-14.
  11. ^ "Redstone CSP project financing signed".
  12. ^ "America's Concentrated Solar Power Companies Have All but Disappeared".
  13. ^ "ACWA Power Leads South Africa's Largest Renewable Energy Project REDSTONE CSP To Financial Close".
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