High-rise buildings could soon use gravity energy storage, say researchers
Researchers in Canada have proposed using gravity-based energy storage in high-rise buildings, in combination with photovoltaic facades, small wind turbines, and lithium-ion batteries. Their modeling indicated that this hybrid system could achieve a levelized cost of energy ranging from $0.051/kWh to $0.111/kWh.
The “Kelley Blue Book” for energy assets could improve circularity in the solar sector
Seattle-based urban mining startup Buckstop uses an AI-powered appraisal model to instantly value end-of-life solar panels.
Utilities pump the brakes on climate commitments while giving more gas to fossil fuel
Most utilities failed Sierra Club’s annual report because they are building and maintaining too many fossil fuel plants and too few clean energy projects to keep up with demand.
Building not your average dream home: Solar
In a series covering the process of building an eco-friendly and energy-efficient home in Minnesota, Jessica Fishman describes the process behind installing solar.
Record nuclear power output in 2024 irrelevant to global energy landscape
Nuclear plants generated a record amount of power in 2024, surpassing record set in 2006, but industry optimism is not backed by economic data or investment, says the World Nuclear Industry Status Report 2025.
California now hosting canal top solar-plus-storage plant
California has completed the 1.6 MW Nexus canal-top solar pilot, adding a 75 kW iron-flow battery system as part of a $20 million state-funded project to test water and energy benefits.
Canadian startup launches residential heat pump with 24/7 monitoring
Jetson said its new heat pump system has a coefficient of performance of up to 4.1 and an energy efficiency rating of up to 11.7. The new product integrates air quality sensors, an energy monitor, and a “smart” thermostat.
RE+ preview: Solar remanufacturer Ontility to open new facility in Tennessee
The aftermarket specialist is set to display its new facility and services at the RE+ trade show in Las Vegas, Nevada Sep 8-11. It provides solar decommissioning services, product refurbishment, recycling and remanufacturing services.
Solar tax credits are a carbon tax by another name
The American public has shown a strong willingness to fund solar and other renewable energy projects through tax credits, largely because voters trust directed infrastructure funding more than open-ended government revenue pools.
Ecotopia net-zero community blossoms on former youth prison site
With nature on the forefront and a ban on fossil fuels, a new Michigan mixed-income community is equipped with solar, EV charging, geothermal heat pumps and sustainability in every detail.
