Displaying the CO2 released from different heating technologies. Heat Pump values are for 2 typical levels of efficiency; 320% (COP=3.2) & 400% (COP=4). The values reflect the decline in generation from coal & the growing contribution from renewable power technologies. Grid carbon intensity uses real-time data, courtesy of National Grid CO2 intensity API. Original thinking by JCW Parker & GeoScience Ltd.
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