generators

Prof Ren says data centres typically rely on diesel backup generators that release large amounts of harmful pollutants.

She also ordered the shut down of "all generators, gas, sewage, and other waste receptors", which would greatly affect the centre's ability to operate.

The tsunami flooded the plant, disabling its emergency generators and causing them to overheat - leading to a nuclear meltdown.

They included requests to install backup generators in critical facilities and repair low-water crossings, which are shallow points in streets where rainwater can pool to dangerous levels.

Some small business owners have turned to back-up diesel generators but Mr Koobetseng, who has had his shop for the past 13 years, was drawn to the more environmentally friendly option.