0 to 500,000 500,000 to 1 million 1 million to 1.5 million 1.5 million to 2 million 2 million to 2.5 million 2.5 million to 3 million 3 million to 3.5 million 3.5 million to 4 million 4 million to 4.5 million Estimated cumulative CO2 tons for all new gas using units built 2023-30 0 to 100,000 100,000 to 200,000 200,000 to 300,000 300,000 to 400,000 400,000 to 500,000 500,000 to 600,000 600,000 to 700,000 Estimated total # new units built 2023-2030 0 to 100 100 to 200 200 to 300 300 to 400 400 to 500 500 to 600 600 to 700 700 to 800 Estimated gas use in CcF (100 cubic feet) by new unit in 2020