Rooftop

The Pentagon is one of 31 government sites that are receiving $104 million in Energy Department grants that are expected to double the amount of carbon-free electricity at federal facilities and create 27 megawatts of clean-energy capacity while leveraging more than $361 million in private investment, the Energy Department said.

Nautilus accelerates Midwest expansion, acquires 75 MW of community solar in Illinois

01.09.2024

New Jersey-based community solar company Nautilus is extending its tendrils into the Midwest with the acquisition of a 75 MW portfolio in Illinois.

Solar energy and its cheaper bills are coming to more disadvantaged communities

12.28.2023

In Houston and across the nation, there are few solar-powered homes in lower-income areas. Panel installation can easily top $20,000, putting solar out of reach for many households with modest incomes.

California NEM 3.0: Appeals court rejects lawsuit, upholds new rooftop solar policy

12.22.2023

An appeals court has rejected a lawsuit that sought to overturn California’s controversial NEM 3.0 rooftop solar policy.

Blame it on the rain! NREL says precipitation can’t completely clean pollen from solar panels

12.20.2023

NREL research found solar panels affected by pollen will not return to their “cleaned” production levels on their own, even after rainfall.

Electric vehicle owners and solar rooftops find a mutual attraction

12.18.2023

EVs have to plug in to charge up and run, but electricity from the grid often still comes from burning fossil fuels, negating some of the environmental benefit of going electric. Solar could fix that.

NYC adjusts rooftop solar, EV zoning to ease installation

12.14.2023

The initiative updates regulations that NYC officials say created roadblocks for New Yorkers who hoped to retrofit their homes for energy efficiency or resiliency, install heat pumps or solar panels, or switch to EVs.

California NEM 3.0: Appeals court to hear arguments against rooftop solar policy

California’s new net metering policy slashes customer credits by up to 80% for electricity generated on rooftops and sold back to the grid….

Rethinking federal investments: We need virtual power plants, not hydrogen hubs

The Department of Energy is providing taxpayer money to electric utilities like Xcel Energy to set up Hydrogen Hubs to enable 100% clean energy. Instead, these …

Is Xcel Energy holding back substation capacity from solar developers? It’s complicated.

In a case before Minnesota utility regulators, solar developers say a new rule by utility Xcel Energy is limiting interconnections. …

6.5 GW of new solar was added in 2023, a 35% increase since 2022

As a result of this growth, the United States is expected to add a record 33 GW of solar capacity in 2023, according to the U.S. Solar Market Insight Q4 …

California NEM 3.0: Layoffs and closures set in six months after controversial ruling

A trade group said California’s NEM 3.0 ruling could result in a 22% reduction in the state’s solar workforce by the end of the year….

Coal-producing West Virginia is converting an entire school system to solar power

up to 10,000 solar panels are expected to deliver as much as 5.33 MW of power to Wayne County Schools each year. Solar Holler estimates the first schools to be …

EIA: CO2 emissions declined, solar was largest source of new generation in 2023

The EIA forecasts a 3% decrease in CO2 emissions from 2022 to 2023, with much of the decline resulting from lower electricity generation from coal-fired power p…

Michigan could implement ambitious clean energy mandates and have carbon-free electricity by 2040

Michigan will join four other states in requiring utility providers to transition to 100% carbon-free energy generation by 2040 under legislation that will so…

Solar installers and fire officials look for compromise on Massachusetts fire code

Changes to the state’s fire code late last year have created confusion and frustration for solar installers, who are now working with fire officials on compro…