A simple upgrade could expand the US electricity grid

A straightforward solution could double the capacity of the U.S. electricity grid, enabling a more efficient transition to renewable energy.

Shannon Osaka reports for The Washington Post.


In short:

  • Replacing old steel power lines with new carbon-fiber ones can double the power capacity without building new infrastructure.
  • The new wires, which sag less under heat, could handle increased electricity demands from renewable sources.
  • Regulatory changes and federal goals aim to expedite these upgrades, addressing grid congestion.

Key quote:

“This is something that could be a triple win. A win for the electricity system, a win for utilities and a win for consumers.”

— Brian Deese, innovation fellow at MIT

Why this matters:

Upgrading existing power lines with advanced materials is a cost-effective and rapid solution to enhance the electricity grid's capacity. This approach supports the integration of renewable energy sources, crucial for combating climate change and meeting growing energy demands.

Related EHN coverage:

An overhead view of a small child playing in the sand on a beach

A deadly bacteria is creeping up the East Coast. How worried should you be?

Warming ocean waters are priming beaches and raw shellfish for Vibrio; scientists are trying to stay one step ahead.

A view of a speaker at a conference from the back of the room

Indigenous health can't be separated from environmental health, leaders tell UN

Indigenous leaders at a UN forum linked climate change, mining, and deforestation to health crises, urging coordinated land rights action.

A person holding a peach in their hands with a tree in the background

Opinion: Farming with hope in the age of climate change

In California’s Central Valley, Nikiko Masumoto reckons with the future of growing in an increasingly hot world.
An overhead view of a jar of coins on a yellow background

The best climate change charities for 2025 and 2026

The climate emergency threatens all of humanity, and although the world has started to make some progress on it, our global response is still extremely lacking.

A group of three women laughing together
Credit: A. C./Unsplash+

In climate change fight, doomerism is out. Laughter is in

Across the world, groups of activists, teachers and psychologists are tackling one of the world’s most daunting problems with laughter, dancing, hugs and most especially joy.

A man and woman in a grocery store looking at produce

The Green New Deal has evolved. Now it's all about 'affordability'

A new "working-class climate agenda" seeks to provide economic relief and tackle global warming at the same time.

Solar panels with wind turbines in the background

AI trained on 13,000 virtual worlds predicts renewable energy future

A new, AI-powered model beats the International Energy Agency's forecasts — and it says 2°C is still on the table.

From our Newsroom
Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

One facility has emitted cancer-causing chemicals into waterways at levels up to 520% higher than legal limits.

Regulators are underestimating health impacts from air pollution: Study

Regulators are underestimating health impacts from air pollution: Study

"The reality is, we are not exposed to one chemical at a time.”

Pennsylvania governor Josh Shapiro speaks with the state flag and American flag behind him.

Two years into his term, has Gov. Shapiro kept his promises to regulate Pennsylvania’s fracking industry?

A new report assesses the administration’s progress and makes new recommendations

silhouette of people holding hands by a lake at sunset

An open letter from EPA staff to the American public

“We cannot stand by and allow this to happen. We need to hold this administration accountable.”

wildfire retardants being sprayed by plane

New evidence links heavy metal pollution with wildfire retardants

“The chemical black box” that blankets wildfire-impacted areas is increasingly under scrutiny.

Stay informed: sign up for The Daily Climate newsletter
Top news on climate impacts, solutions, politics, drivers. Delivered to your inbox week days.