Solarus for District Heating Centers
Solarus high efficiency solar thermal systems could provide hot water and central heating to district/block heating projects. In such a system, the water is heated centrally by arrays of our solar thermal collectors and distributed through district heating pipe networks (or 'block heating' systems in the case of smaller installations).
Our solar collectors could be mounted on the building rooftops for smaller block heating systems or installed on the ground for large-scale district heating centers. Central solar heating usually involve large-scale thermal storage, which made it possible store abundant solar energy underground during the summer months and distribute the energy to each home for space heating needs during winter months. Compared to small solar heating systems, central solar heating systems have better price-performance ratios due to the lower installation price, the higher thermal efficiency and less maintenance.
Solarus thermal collectors are based on mature Swedish solar concentrating technology which has been around for more than 20 years. Sweden is also the leading user of efficient district heating centers in the world. The thermal collectors from Solarus have high energy output of 700W per square meter even in low insolation region such as Sweden. With tracking systems, the system output could be improved by 25%.
A calculation done in Sweden showed that our district heating project powered by 2400 square meters of our solar thermal collectors could achieve a price of 0.163 SEK/ KWh, considering 10 years pay back time with government subsidies. In global market, even without any subsidies, similar district heating projects elsewhere could produce heat energy at less than 0.07 US Dollars/KWh considering 10 years pay back time. If the full lifespan of our thermal collectors are considered, then the price for energy from such system is as low as 0.02 US Dollar/KWh, a price that is on par or even lower than traditional sources of energy.