Energy Articles

Sorted By: Most Recent
Brooke Becher Brooke Becher
Updated on June 01, 2026

20 Top Battery Manufacturers

Everything from EVs to AI data centers want the same thing: more batteries. These are the companies deciding how the electric economy gets powered — and how much it’s going to cost.

Image: Shutterstock
Margo Steines Margo Steines
Updated on May 27, 2026

10 Top Energy Storage Companies

Energy storage systems are built to capture and hold on to energy until it needs to be used.

Photo: Shutterstock
Brooke Becher Brooke Becher
Updated on May 27, 2026

10 Battery Storage Companies to Know

As renewable energy and artificial intelligence push power grids to their limits, battery storage companies are racing to solve where all that electricity gets stored when demand suddenly spikes.

Image: Shutterstock
Sunny Betz Sunny Betz
Updated on May 19, 2026

30 Energy Companies to Know

From geothermal energy to biofuels, there are companies supporting nearly every form of energy available.

Image: Shutterstock
Ahmad Shadid Ahmad Shadid
Updated on February 13, 2026

The Model War Is Over. AI Progress Now Depends on Physical Infrastructure.

Flashy models may grab headlines, but the infrastructure that powers them is far more important. Our expert explains why.

Image: Shutterstock / Built In
Margo Steines Margo Steines
Updated on August 28, 2025

7 Top Alternative Energy Companies

Alternative energy companies work to produce, store and distribute energy without using fossil fuels.

Photo: Shutterstock
Ronn Torossian Ronn Torossian
Updated on June 09, 2025

How AI Infrastructure Will Redefine National Sovereignty

AI infrastructure will increasingly become one of the levers of power in the future. Our expert analyzes how companies can help shape it.

Image: Shutterstock / Built In
Margo Steines Margo Steines
Updated on May 22, 2025

11 Top Clean Energy Companies

Here are some clean energy companies providing sustainable power to homes and businesses.

Photo: Shuttersrtock
Brooke Becher Brooke Becher
Updated on May 21, 2025

What Is a Virtual Power Plant?

Energy consumption is at an all-time high, and is expected to keep rising. Virtual power plants, which digitally link hundreds, thousands and potentially millions of energy resources, could be the key to managing this growing demand.

Image: Built In / Shutterstock
Brooke Becher Brooke Becher
Updated on April 07, 2025

What Is a Water Battery?

This century-old technology helps stabilize the grid during peak demand and can restore power after blackouts. Here’s how it works.

Image: Peter Gudella / Shutterstock