Articles

Fun stuff

Holiday conversation starters for clean-energy nerds

Get your family chattering about protests that could spur clean-energy progress (ones that don't involve throwing food at famous artworks).

By Julian Spector . 22 November 2022
ENN

Michigan regulators reject most of DTE’s rate increase following public pushback

Following an unprecedented public hearing, regulators largely agreed with critics’ assessment that the utility could be doing more with the money it has.

By Nina Ignaczak . 22 November 2022
Grid edge

Swell raises $120M for virtual power plants to link solar and batteries

Getting networks of homes with rooftop solar and batteries to help balance the grid requires innovative tech and financing. L.A.-based Swell Energy is on it.

By Jeff St. John . 22 November 2022
Food and farms

Video: How solar panels and crops can thrive side by side

Step into the field to see agrivoltaics up close.

By Alison F. Takemura . 21 November 2022
ENN

State, federal solar incentives help Illinois feed mill slash energy costs

At a central Illinois feed mill, electricity from its rural electric co-op was exceeding grain costs as its biggest operating expense. With a new 3-megawatt solar array, the facility expects to reduce energy costs by about 50%.

By Kari Lydersen . 21 November 2022
Geothermal

Dandelion Energy raises $70M to take geothermal heat pumps mainstream

The Google spinout installs ground-source heat pumps for households in the frigid Northeast. Now it’s got federal tax credits and energy inflation to help it make the pitch.

By Julian Spector . 21 November 2022
Air travel

Major airlines are teaming up to tackle planet-warming plane contrails

American, Southwest and United are joining with Airbus, Boeing, RMI and researchers in an effort to mitigate heat-trapping condensation trails.

By Maria Gallucci . 21 November 2022
Guest essay

COP27: Progress on some solutions, but where’s action on the big issue?

In waning hours of U.N. climate conference, there’s optimism about new initiatives, but much frustration over lack of “loss-and-damage” funds for developing nations.

By Laurie Stone . 18 November 2022
Clean energy

Watch this dynamic map of renewable energy growth around the world

Renewable energy is gaining ground around the world. See which countries are shifting most quickly.

By Maria Virginia Olano . 18 November 2022
Energy storage

Long-duration storage firm Energy Vault pivots to short-term batteries

The startup pulled in millions for its novel gravity-based storage design, but most of its deal flow these days comes from garden-variety lithium-ion batteries.

By Julian Spector . 18 November 2022