Origin Energy Ltd 16m tonnes

WHO: Australian integrated energy company with a focus on oil and gas exploration, as well as the production of natural gas, electricity generation, wholesale and retail sale of electricity and gas, and sale of liquefied natural gas. COMMITTED: Net zero emissions by 2050. CHANGE: Incorporates a range of carbon prices of up to $80 per tonne. Purchases wind power from South Australia, Victoria and NSW and is Australia’s largest buyer of utility solar.