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  1. Market Data
September 2, 2021

Redstone Solar Thermal Power Project – Thermal Energy Storage System, South Africa

By Carmen

The Redstone Solar Thermal Power Project – Thermal Energy Storage System is a 100,000kW energy storage project located in Postmasburg, Northern Cape, South Africa.

The thermal energy storage project uses molten salt as its storage technology. The project was announced in 2015.

Description

The Redstone Solar Thermal Power Project – Thermal Energy Storage System is being developed by ACWA Power International. The project is owned by ACWA Power International (100%).

The key applications of the project are electric energy time shift, renewables energy time shift and resiliency.

Contractors involved

ACWA Power International is the owner. ACWA Power International is the developer. SolarReserve is the technology provider for the project.

Additional information

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, even well after the sun has set. 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 is interconnected with 75 MW Lesedi and 96 MW Jasper Solar PV projects. The Capital Expenditure for the project is $715,000,000.00. Debt Provider for the project is Overseas Private Investment Corporation (OPIC).

About ACWA Power International

ACWA Power International (ACWA Power) is a power generation company. It is engaged in providing power and desalinated water at low cost efficiently. It also supplies electricity and potable water to its customers. It generates power through coal, oil, gas, thermal, solar and wind technologies. ACWA Power also offers operation and maintenance services to power and water desalination industry through its subsidiary, the First National Operations & Maintenance Company. The company has operations across the Middle East, Africa and Asia. ACWA Power is headquartered in Riyadh, Saudi Arabia.

Methodology

All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.

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