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HomeCase studiesChangsha Happy City (CHN)

Changsha Happy City (CHN)

supports the energy transition in China

Changsha image


In Changsha, the capital of Central China’s Hunan province, a world-class resort and conference center aims to become a global tourist destination that improves the urban functions and overall quality of Changsha while also promoting the region’s industries. With this goal in mind, Changsha Xiangjiang Happy City needed an energy solution that could live up to the promise of green new city ideals.

A trigeneration solution

Located in the center’s Dawang Mountain Tourist Resort, the new Changsha Xiangjiang Happy City Distributed Energy project is supporting the region’s energy transition from coal-burning plants to more environmentally friendly solutions. The combined cooling, heat and power (CCHP) plant is centered on two of INNIO’s Jenbacher J320 1 MW gensets operating on pipeline gas, working together with other energy supply and storage equipment on the site. The trigeneration plant supplies electricity, heat, and cooling to the resort’s Snow Park, Ocean Park, 4 and 5-star hotels, and tourism service center with a total construction area of about 277,000 square meters.


The new distributed energy plant will provide the same power output as 1,290 tons of standard coal, but with significantly lower emissions. In fact, it is expected to prevent 5,085 tons of CO2, 29 tons of sulfur dioxide, and 14 tons of nitrogen oxides from entering the atmosphere each year. What’s more, the resort’s energy consumption is predicted to decrease by 27.2%.


"This project is another example of how we are working to live up to the promise of green new city ideals at Changsha Xiangjiang Happy City. Our plant’s Jenbacher gensets are helping provide highly efficient electricity, heat, and cooling to our tourist facilities. And, that power is generated with a lot fewer greenhouse gases than an equivalent capacity coal-burning plant would produce."

Xuedong Luo, general manager, Changsha ENN Xiangjiang New Energy Development Co. LTD

Customer benefits

  • 2 MW of reliable power along with heat and cooling for the resort
  • total efficiency of over 80% operating on pipeline gas
  • helping to reduce greenhouse gases in the region with much lower emissions than those of a similar capacity coal plant


Changsha, China

Installed engines

 2 x J320

Electrical output

 2 MW

Total efficiency


Energy source

Pipeline gas




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