Estimating carbon dioxide emissions from coal plants ...
· * 10^9 million tonnes per kg; * 10^6 kWh per MW; * 10^9 TJ per Btu; It allows the amount of carbon dioxide emitted by a plant to be described in millions of tonnes. Lifetime. Lifetime CO2 estimates by the Global Coal Plant Tracker assume coal plants operate over a 40year lifetime, and 5 years for plants older than 40 years.