District Heating

ChatGPT generated panoramic aerial view of Dronninglund’s solar thermal fields and insulated water pit storage, set beautifully against a winter backdrop

Can Underground Thermal Batteries Warm Northern Cities in Deep Winter?

Having grown up in Canada’s north and spent far too many winters trudging through snowy downtown streets in Toronto, Ottawa, and Edmonton, I know firsthand just how brutal Canadian winters can be—and how urgently our cities need practical, scalable, low-carbon heating solutions. Even if you haven’t spent months navigating icy … [continued]

ChatGPT generated panoramic sparrow's eye view of a serene neighborhood heated by ground-source geothermal

China Is Scaling Geothermal District Heating & The World Should Pay Attention

When China starts scaling a technology at massive levels, the rest of the world should take notice. That’s not a geopolitical statement, it’s a thermodynamic and logistical one. China doesn’t mess around when it comes to heat, power, and infrastructure. And in the case of ground-source heat pumps used for … [continued]

DALL-E and ChatGPT generated panoramic image of a heat pump for a modern building

Decarbonizing Building Heat — RAP EU Lead Jan Rosenow On Heat Pumps, Hydrogen, Insulation, &…

Recently I sat down virtually with energy policy expert Jan Rosenow of RAP on my podcast “Redefining Energy — Tech” to discuss how residential and commercial building heat solutions. In the theme of providing transcripts of presentations I’m giving in various places for people who prefer the written word, this … [continued]