Nobao Renewable Energy Holdings

The company's business model is centered on long-term energy management contracts (EMC), which can span from 10 to 70 years. Under this model, Nobao handles the design, manufacturing, installation, and ongoing maintenance of GSHP systems, providing heating, ventilation, air conditioning (HVAC), and hot water. This approach allows clients to implement energy-efficient systems with minimal upfront capital investment, as Nobao finances the projects. Revenue is generated through these long-term service agreements. Nobao's core offering, the ground source heat pump system, leverages the stable temperatures found underground to exchange heat. This technology is significantly more efficient than conventional fuel and electricity-based systems, potentially saving up to 70% in energy consumption. In winter, the system extracts heat from the ground to warm buildings, and in summer, it reverses the process, extracting heat from the building and dispersing it into the ground, often with the added benefit of providing free hot water from the waste heat.

Nobao has a history of attracting significant investment to fund its capital-intensive EMC projects. In 2009, the firm secured a $25 million venture capital injection from Tsing Capital. This was followed by a major investment in 2010 from private equity firm Silver Lake, which committed up to $100 million to support the company's growth, marking Silver Lake's first investment in China's clean technology sector. The company also pursued an initial public offering (IPO) on the New York Stock Exchange, filing in 2010 and again in 2011, though these plans were ultimately withdrawn due to market conditions. More recently, in 2024, Mr. Sun indicated preparations were underway for a potential listing on the Hong Kong Stock Exchange. Significant projects include providing heating for nearly 10 million square meters in the Beidaihe district and a new project in the Xiong'an New Area. The company is also exploring shallow geothermal low-temperature power generation technology.