Energy Efficiency

A high tech supercritical carbon dioxide power plant is taking shape behind the walls of a modest building in Texas, with the potential to lower the cost of concentrating solar power systems.

A Tiny Supercritical Carbon Dioxide Turbine Can Power 10,000 Homes

A high tech supercritical carbon dioxide power plant is taking shape behind the walls of a modest building in Texas, with the potential to lower the cost of concentrating solar power systems.

Small EV Charging. Photo by Cynthia Shahan | CleanTechnica.

Heat Pump Water Heater Sales in 2022 Signal a Decisive Shift in Water Heating Trends

Celebrate Heat Pump Water Heater Day — October 25! Energy-efficient water heating took significant strides in 2022, according to the latest data released by ENERGY STAR. Sales of heat pump water heaters (HPWHs) grew 26% last year, while sales of gas water heaters declined by 17%, underlining a clear shift in the U.S. … [continued]