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CarbonWatch displays the real time emissions from various heat generating technologies and demonstrates the increasingly stark carbon advantage delivered by heat pump deployment. Use the regional drop-down list to check your location

GRID TIME (GMT)
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gCO2e/kWh
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SELECT A REGION
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519gCO2e/kWh, current carbon factor for grid electricity in SAP 2012
129 grams CO2/kWh
HEAT PUMP (400%)
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HEAT PUMP (320%)
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162 Grams CO2/kWh
DIRECT ELECTRIC HEATING
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GAS BOILER (85%)
215
OIL BOILER (85%)
320
COAL (50%)
630

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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