FRONTIER
We back the companies building the energy and infrastructure the next century runs on.
$420m
under management
38
companies backed
Our thesis
Three sectors. One conviction: the hard things are the big things.
Portfolio
The companies we back.
All
All
Energy
Infrastructure
Frontier tech
Halvard Grid
Infrastructure
Series A
Software that balances regional grids in real time.
Northwind Storage
Energy
Series B
Iron-air batteries for week-long storage.
Lattice Materials
Frontier tech
Seed
Catalysts that make green hydrogen cheap.
Tern Offshore
Energy
Series A
Floating wind foundations for deep water.
Corridor Lines
Infrastructure
Seed
Faster permitting for new transmission.
Fieldstone Labs
Frontier tech
Series A
Solid-state cells built in a pilot plant.
Kestrel Heat
Energy
Seed
Industrial heat pumps for mills and food plants.
Skerry Cable
Infrastructure
Series B
Subsea power cable for the North Sea.
Basalt Carbon
Frontier tech
Series B
Quarry waste that locks away carbon for good.
How we back founders
First cheque to first plant.
$2–15m
first cheque, seed to Series B
11 years
average hold, we stay through the build
9
exits, four of them to utilities
