A non-invasive geophysical survey found high-temperature geothermal resources several kilometres underground that may be suitable for electricity generation. Singapore preliminarily estimates its geothermal resources at more than 60 times its annual electricity consumption, according to a nationwide geophysical study. [SINGAPORE] With Singapore’s electricity demand projected to rise as its economy grows, the city-state will be investing in the most significant build-up of its energy infrastructure in decades.