Business & Industry Solar

SWH Case Study – Hotazel South Africa

This magnesium mine near the town of Hotazel gave rise to a 600 house village. With the demand for iron from China the mine has experienced a revival and is investing in its staff accommodation. The 217 housing units developed by the mine house between 1-2 people each.

BHP Billiton wanted to reduce its impact on the national grid by offsetting the electricity required to heat water on its housing units. The reduction helps it to maintain electricity supply from Eskom destined for its mining operations.

Selected Energy installed 217 Solahart 181Kf solar water heaters. The installation results in a total demand reduction of more than 300kVA, a total collector surface of 403m² and 37758L of hot water storage at 55°C.

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