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Castle Wind Farm
Castle Wind Farm
Country	South Africa
Location	De Aar, Emthanjeni, Pixley ka Seme District, Northern Cape
Coordinates	30°43′36″S 24°03′06″E / 30.72667°S 24.05167°E
Status	Under construction
Construction began	June 2023
Commission date	2025 (Expected)
Owner	Castle Wind Farm Project Company
Operator	Castle Wind Farm Project Company
Wind farm
Type	Onshore
Power generation
Make and model	Goldwind: 6 x 16 MW
Nameplate capacity	89 MW
	[edit on Wikidata]

The Castle Wind Farm is a privately owned 89 megawatt wind farm under construction in South Africa. The renewable energy infrastructure development project is owned and under development by a consortium comprising two South African businesses; (a) African Clean Energy Developments (Pty) Limited (“ACED”), a renewable energy development company headquartered in Cape Town and (b) Reatile Group, a Johannesburg-headquartered, 100 percent black-owned investment company which focuses on energy, petrochemicals and industry. The power generated at this wind farm is intended for sale to Sibanye-Stillwater, a Johannesburg-based multinational mining conglomerate. The power is intended for use by Sibanye-Stillwater in its mining operations in South Africa.^[1]^[2]

Location

The farm and power station are located near the town of De Aar, in Emthanjeni Municipality, Pixley ka Seme District, in the Northern Cape Province of South Africa.^[1]^[2] De Aar is located approximately 250 kilometres (155 mi) south of the city of Kimberley, the provincial capital.^[3] This is approximately 333 kilometres (207 mi) southwest of the city of Bloemfontein in neighboring Free State Province.^[4]

Overview

The design calls for 16 tower-mounted Goldwind turbines, each rated at 6 megawatts. Total generation capacity is intended to be 89 MW. The power generated here will be transmitted via overhead high voltage lines, to the Hydra Substation, owned and operated by Eskom, where the power will enter the national grid.^[5] Hydra Substation is located approximately 9.3 kilometres (6 mi) southeast of downtown De Aar.^[6]

In June 2023, Sibanye-Stillwater, the off-taker, Eskom the transmitter and Castle Wind Farm Project Company, the independent power producer (IPP), signed a 15-year power purchase agreement (PPA) governing their relationships regarding this farm and the power generated here.^[1]^[2]^[5]

Funding and timeline

Rand Merchant Bank, a subsidiary of FirstRand Bank of South Africa, arranged the financing of this wind farm. Construction started in June 2023 and commercial commissioning is expected in 2025.^[1]^[2]

Other considerations

Expected benefits from this project include (a) energy cost savings (b) increased energy security and (c) mitigation of C02 emissions, all accruing to Sibanye-Stillwater. The additional wattage in generation capacity to the national grid is of benefit to Eskom and the country in decreasing the power deficit currently being experienced in South Africa, as June 2023.^[7]