Clean energy

Solar

Chart: The top 10 countries with the most solar power

The behemoth at the top may not surprise you, but some unexpected players round out the list.

By Maria Virginia Olano . 21 January 2022
Solar

Heavy hitters form $500M joint venture to expand community solar to disadvantaged communities

Reactivate, backed by Lafayette Square and Invenergy, says it's cracked the code on how to make community solar projects financially successful.

By Eric Wesoff . 19 January 2022
Podcast

Where will biotech have the biggest climate impact?

Microbes, meat and materials: where biotech might beat out electrochemistry.

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By Shayle Kann . 18 January 2022
Nuclear

Nuclear startup Oklo gets thumbs-down from regulators. What does this mean for next-gen nuclear?

If innovative reactor designs can't pass muster with the federal government, the U.S. nuclear industry is in trouble.

By Eric Wesoff . 13 January 2022
Podcast

The risk of ‘unforced error’ in Hawaii’s transition from coal

Will shutting down a major coal plant in Hawaii cause pollution to rise?

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By Stephen Lacey . 13 January 2022
Grid edge

Kohler Power buys startup that uses game-theory math to manage microgrids

Heila Technologies has a novel approach to balancing solar, EVs, batteries and generators.

By Jeff St. John . 12 January 2022
Solar

PosiGen raises $100M to bring solar and efficiency upgrades to lower-income Americans

The New Orleans–based company has a clever business model that upends industry assumptions — and savvy investors want in.

By Eric Wesoff . 10 January 2022
Grid edge

GE snaps up Opus One and its operating system for a fast-changing grid

Opus One is part of a new breed of software platforms that manage the rapid influx of renewables, batteries, EVs and more.

By Jeff St. John . 10 January 2022
Politics

Here’s where things stand with climate legislation in Congress

The Build Back Better Act — and its $555B in climate spending — is not dead yet.

By David Roberts . 7 January 2022
Utilities

Chart: US utilities are spending less on making electricity and more on getting it to customers

Cheap renewables are a good thing, but customers will likely be stuck with a hefty bill for grid upgrades.

By Jeff St. John, Maria Virginia Olano . 7 January 2022