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CASE STUDYSOUTH AFRICAHot Water Storage - Sun City International

SOUTH AFRICA SUN CITY - HOT WATER STORAGE

Sun City is a large resort in the North West Province of South Africa. The resort includes four hotels including two five star hotels. These are the world famous Palace of the Lost City , Sun City Main Hotel, Sun City Cabanas and the Cascades Hotel.

Sun International wanted to reduce it’s impact on the national grid and work towards Eskom’s aim of reducing demand by 10%. Sun International also wanted to maintain aesthetics and avoid any noise pollution, at the same time improve it’s Heritage® score by participating in an ESCo project.

428 000 litres of hot water needed to be heated to 60oC. Three air-to-water heat pump exchanger setups and one water-to-water heat pump exchanger setups were installed to heat 48% daily demand.

Solahart designed a solution that is unique to Southern Africa. A water-to-water Heat Pump system including the plant room and piping for the Palace of the Lost City was installed. The water-to-water heat exchanger helps to heat the 80 000 of 60oC water that the Palace of the Lost City requires per day. Three air-to-water heat exchanger solutions heat the 60 000, 40 000 and 50 000 litres of hot water for the SoHo Hotel, Cascades Hotel and Cabanas hotel respectively. The ESCo project is partially funded by Eskom and results in a demand reduction of over 650kW.

Location: South AfricaHot Water Requirements: 428,000 litres/day at 60oC. System Installed: 7 x HW80-3 at the Sun City Main Hotel, 6 x HW20-3 at the Cascades Hotel 2 x HW60-3 at the Sun City Cabana, 3 x HWW80-3 at the Palace of the Lost City Estimated Energy Saving: 1.28 GWh/year.

Solahart International +61 8 9351 4600 solahart.com Solahart Australia +61 2 9684 9100 solahart.com.au

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