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Sightline Institute
sightline.org
did:plc:mv5tjubi6fnn2uxpygjibjyo
In the efficiency Olympics, gas heating < air-source heat pumps.
Air-source heat pumps < ground-source heat pumps.
And ground-source heat pumps linked to a thermal energy network (TEN) blow other options out of the water.
TENs could free up the grid capacity the clean energy transition needs.
https://www.sightline.org/2026/07/15/drill-baby-drill-for-thermal-energy/
2026-07-20T21:35:47.071Z