China Huaneng Group Clean Energy Technology Research Institute Co., Ltd. China Huaneng Group Clean Energy Technology Research Institute Co., Ltd. (referred to as Qingneng Institute) is a clean energy technology research and development institution directly under China Huaneng Group Corporation. Mainly engaged in technology research and development, technology transfer, technical services, key equipment development and project implementation in the fields of coal-based clean power generation and conversion, renewable energy power generation, pollutant and greenhouse gas emission reduction.