Sparks of 2026 #4: Aventus Eco
If 2026 is the year the UK finally gets serious about heat
Matthew Forbes Milloy
Sparks of 2026 #3: Eleven Energy and Sodium Batteries
Eleven Energy: The Sodium-Ion Salt Battery That Could Rewrite UK Retrofit Storage
Sparks of 2026 #2: Showersave
Most retrofit innovations arrive with noise. Controls. Apps. Claims.
Showersave arrived with silence. It just works.
The Sparks of 2026: #1
WheatEx
The British bio insulation you are going to hear a lot
BATTERIES ON FIRE: THE SOLUTION IGNORED
How DESNZ’s Emergency Pause Reveals a Dangerous Single Point of Failure
ECO Collapses Into The Gap Between Rhetoric And Reality
What Domna’s Anna Moore Thinks Now
For more than a decade,
Ty-Mawr: A Small Welsh Miracle in a Week of Bad News
On the same day the Chancellor stood at the despatch box and
The Future of Hot Water Isn’t a Monologue
Why Mixergy’s Confidence Is Deserved - and Why the Industry Needs More Humility
Solar, Flooding and Facts: What These Stories Say About Our Politics
Solar, Flooding and Facts: What These Stories Say About Our Politics
Two
The Women Behind the Chart: How Her Retrofit Space Is Rewriting the Rules on Insulation Data
For years, conversations about insulation in retrofit have been dominated by numbers.
A Monopoly: Empowering MCS Could Be A Fatal Flaw in Clean Heat Policy
Something big just happened in UK retrofit and I'm not
The Sunny Side of Economic Collapse
What a ridiculous time. As as child poverty smashes through records and