• Case study

    Rizhao, a city of 3 million people in northern China, is using solar energy to provide energy, heating and lighting. An incredible 99% of Rizhao’s households use solar water heaters, while almost all traffic signals, street lights and park illuminations are powered by photovoltaic solar cells. In total, the city has over a half-million square meters of solar water heating panels, the equivalent of about 0.5 megawatts of electric water heaters.

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  • Case study

    Since the 1970s Freiburg has developed a reputation as Germany's ecological capital. By 1986 the City had a vision for a sustainable city reliant on an ecologically-oriented energy supply, today its solar, energy efficiency and transport programs are among the best in the world. Until 2007 CO2 emission have been reduced by more than 20% per capita, there has been a 100% increase in public transport use – with up to 35% of residents choosing to live without a car Freiburg is living proof that solar can work in the Northern Hemisphere.

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  • Case study

    The Toronto Atmospheric Fund (TAF) is making the impossible possible by funding sustainable projects that often cannot be financed through traditional sources. Its successes include Canada’s first municipal combined heat, power, and cooling system (trigeneration); its largest solar power plant; an energy efficiency financing program that targets new condominium construction; and a pilot test of outdoor LED white lighting. Since its inception TAF has reduced CO2 emissions by 500,000 tons and created a funding model that is a world leader.

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  • Case study

    This is the largest city-owned solar power system in the United States located at San Francisco’s Convention center. Covering 60,000 square feet, equivalent to the size of a football field, it generates 826,000 kWh annually. This is equivalent to power 184 homes in San Francisco for an entire year, removing 7,000 cars from the road, or not driving 88 million miles. Over the lifetime of the project, it will reduce 35,000 tons of CO2.

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  • Case study