Press

Releases, images and interviews for journalists covering heat, grid flexibility and buildings. We reply to press email within one working day.

Releases

  • 3 September 2026

    Calderford assembly line opens

    The yard moves to a four-stage line and a second test rig.

  • 18 May 2026

    Slatter Street pilot logs a fifth less peak gas use

    Winter results from the first full season of monitoring.

  • 2 February 2026

    Keel enters certification testing

    Independent tests on the store core and controls begin this month.

About Ostra Thermal

Ostra Thermal makes heat stores for buildings and small plants, sized to move heat demand out of peak hours. It is based in Calderford.

Media contact

Email press@example.com or call 01632 960 802. Images and a fact sheet are sent on request.

Need a fact check or an interview?

Email the press team