Distributed energy resources

Distributed energy resources

Puerto Rico’s energy future: distributed solar or centralized grid?

A judge has called for the Trump administration to reevaluate assumptions as it works to redirect rooftop solar funds toward the grid and fossil fuel infrastructure.

By Kari Lydersen . 4 November 2025
Batteries

The startup trying to make ‘DIY’ home batteries happen

Pila Energy’s batteries offer renters and homeowners the smarts of a Tesla Powerwall in a plug-and-play package. It just raised $4M to scale up operations.

By Jeff St. John . 21 October 2025
Virtual power plants

Can crowdsourcing help solve the data-center power crunch?

Data centers want to connect to the grid faster. Voltus says virtual power plants can help them do so — and cut costs for everyday utility customers.

By Jeff St. John . 20 October 2025
Batteries

Carrier wants to pair batteries with air conditioners to help the grid

Utilities are struggling to meet demand as AI data centers surge. Equipping air conditioners with batteries could be an easy and hugely scalable way to free up electricity supply at peak times.

By Julian Spector . 29 September 2025
Virtual power plants

Virtual power plants may soon provide more electricity to Illinois’ grid

The state has tons of solar, thanks to past laws. Now, legislators are weighing incentives for home batteries that can give the grid clean power in times of need.

By Kari Lydersen . 25 September 2025
Virtual power plants

California could save big if virtual power plants target ‘sweet spots’

The state’s utilities could use rooftop solar, batteries, and EVs to cut $13.7B in costs — by applying those to the right parts of stressed-out local grids.

By Jeff St. John . 11 September 2025
Virtual power plants

California quietly guts ambitious virtual power plant bill

Bills boosting solar, batteries, EVs, and smart thermostats to rein in California’s utility costs moved ahead — but the most innovative approaches were cut.

By Jeff St. John . 5 September 2025
Distributed energy resources

A universal adapter for solar, batteries, EVs, and microgrids is here

DG Matrix and Resilient Power say their solid-state transformers can cut costs, time, and complexity for powering data centers, EV charging hubs, and more.

By Jeff St. John . 18 August 2025
Solar

Balcony solar is all the rage in Germany. Why not in the US?

A new Utah law promoting balcony solar reveals the challenges of making the clean-energy tech mesh with the U.S. grid.

By Akielly Hu . 1 May 2025
Virtual power plants

Haven to install free solar, batteries for thousands of California homes

The startup is tapping a new state funding pool to help low-income families access the benefits of clean energy and battery backup for their residences.

By Julian Spector . 21 April 2025

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Distributed energy resources

Puerto Rico’s energy future: distributed solar or centralized grid?

The startup trying to make ‘DIY’ home batteries happen

Can crowdsourcing help solve the data-center power crunch?

Carrier wants to pair batteries with air conditioners to help the grid

Virtual power plants may soon provide more electricity to Illinois’ grid

California could save big if virtual power plants target ‘sweet spots’

California quietly guts ambitious virtual power plant bill

A universal adapter for solar, batteries, EVs, and microgrids is here

Balcony solar is all the rage in Germany. Why not in the US?

Haven to install free solar, batteries for thousands of California homes