Michael Barnard

Ecotopical

A Productivity Strategy For Europe Starts With Cheap Electricity

By: Michael Barnard

Europe is running out of workers while still debating how long to preserve machines that burn imported fuel. That is an odd starting point for a competitiveness strategy.

CleanTechnica

Vertical Aerospace's eVTOL Can Fly. The Passenger Business Is Still Unproven

By: Michael Barnard

Support CleanTechnica's work through a Substack subscription on Patreon , or on Stripe . Help us produce all of the high-quality, original content

Ecotopical

Energy Vault Scaled Gravity Storage. The Battery Benchmark Is Brutal.

By: Michael Barnard

Energy Vault's Rudong gravity-storage project is a particularly useful technology test because it removes many of the excuses that can surround a first-of-kind energy project.

CleanTechnica

Energy Vault Scaled Gravity Storage. The Battery Benchmark Is Brutal. - CleanTechnica

By: Michael Barnard

Energy Vault’s Rudong gravity-storage tower's enormous physical scale faces a routine Chinese BESS doing the same four-hour job.

Ecotopical

Aberdeen Paid £556k Per Hydrogen Bus. Five Years Later, First Bus Is Paying £30k

By: Michael Barnard

Aberdeen's hydrogen double-deckers have finally produced a useful market price, and it is more revealing than another theoretical argument about

CleanTechnica

Aberdeen Paid £556k Per Hydrogen Bus. Five Years Later, First Bus Is Paying £30k - CleanTechnica

By: Michael Barnard

Aberdeen’s five-year-old hydrogen buses cost about £556,000 each. First Bus is buying 23 for £30,000 apiece and considering battery conversion.

CleanTechnica

Dense-Fluid Pumped Hydro Works. Scaling It Is The Problem. - CleanTechnica

By: Michael Barnard

RheEnergise proved high-density pumped hydro works. The harder question is whether mineral demand, duration and battery competition let it scale.

Ecotopical

Dense-Fluid Pumped Hydro Works. Scaling It Is The Problem.

By: Michael Barnard

RheEnergise deserves credit for something a lot of energy-storage startups never accomplish: it built the thing.

CleanTechnica

ARES’ Nevada Demonstrator Shows Why Rail Gravity Storage Is A Train Wreck - CleanTechnica

By: Michael Barnard

ARES has demonstrated rail gravity storage. Scaling it to hundreds of megawatt-hours would require an enormous manufactured fleet.

Ecotopical

ARES' Nevada Demonstrator Shows Why Rail Gravity Storage Is A Train Wreck

By: Michael Barnard

ARES North America has now operated enough of its GravityLine system at Gamebird Pit in Nevada to make clear its deep limitations to people who didn't simply do the grade 7 math and science calculations.