Hong Kong is standing at the forefront of Asian cities' initiatives to reduce greenhouse gas emissions and make their buildings and infrastructure more environmentally friendly. This development has huge impacts on the energy economy of the Chinese Special Administrative Region which is generating the bulk of its electricity from fossil sources. The short paper by Julie Metta and Jan Deller analyses the current dynamics and implications of green technology for Hong Kong's energy market, looking at the nexus of political, regulatory, economic and environmental issues.