Is solar energy efficient in Macau?

However, in the view of Macau-based scholar Wai Ming To, interviewed later in this special report, “Macau is a small city and has many high-rise buildings. Thus, solar energy is not efficient due to the shadowing effect of adjacent buildings and the small ratio of rooftop area to total floor area.

Does offshore wind energy make sense in Macau?

“In our view, as external observers, offshore wind energy in Macau’s territorial waters makes sense, as does the development of distributed generation of photovoltaic energy. Macau has a lot of sun and many roofs. There is a potential to develop this vector in the medium-to-long term.”

Is natural gas a problem in Macao?

As a member of the Smart Energy Group of UM’s State Key Laboratory, which focuses on optimising clean energy use and production, Zhang believes expanding the use of natural gas poses major problems, especially in the city’s older districts. “Many buildings and [much of the] infrastructure in Macao are outdated.

How big are Macao's skyscrapers?

The scientist sees lots of potential in the city’s skyscrapers. The total rooftop area of all buildings in Macao is about 5.3 square kilometres, or about 16 per cent of the city’s total area.