Signal · Tuesday, July 21, 2026

Deepbore

Finished a 4.2km pilot shaft in Finland at 40% under budget, which nobody in geothermal has said out loud this decade.

Sources

From the edition

BORABORA · What got built

Heat pumps eat the boiler market
  • Arc FoundrySteel

    First heat at the electric steel plant in Trollhättan, 90 tonnes, off wind power, twenty months after ground w

  • TidewaveMarine

    A four-turbine tidal array went live in the Pentland Firth and is exporting at 88% of modeled yield, which is

  • VerdantVPP

    Launched a residential VPP in Texas that dispatches without an app: the thermostat just decides, and the bill

  • Clearsky FuelsSAF

    Hit 10,000 tonnes cumulative synthetic jet fuel, a milestone that matters mostly because the offtake contract