EXPLORE GOOD GREEN

Solar & batteries

Practical solar, home storage and portable power.

Clean Energy / Manufacturing

More American-made clean energy: what the factory numbers tell us.

US solar and battery manufacturing capacity has grown. Here is how to read the encouraging numbers without confusing a factory’s potential with products delivered.

Read the story →California / clean energy

Sunshine after sunset: Pasadena puts stored energy to work.

A new community-scale battery could help clean electricity reach the evening hours. Here is what Pasadena is building and why it matters.

Read the story →Solar / research & innovation

Tiny crystals, brighter possibilities for solar power.

Researchers are finding new ways to improve perovskite solar materials. A temporary liquid offers an intriguing step toward making sunlight go further.

Read the story →Solar & batteries

California plug-in solar: the rules and real savings.

State and country guide, purchase checks, and an interactive solar-and-battery calculator.

Read the guide →Solar & batteries

Home batteries: more peace of mind, a smarter energy budget.

Keep essential circuits running and put stored energy to work, with affordable options, with or without solar.

Read the guide →Everyday technology

Portable phone batteries: a little power for a bigger day.

Stay connected on a bike ride, a train journey, or a day outdoors with a compact battery you will actually use.

Read the guide →Solar & batteries

An off-grid work shed: give your ideas a little solar power.

Light a workspace, charge a laptop, and put sunlight to work with a solar-and-battery setup sized for your day.

Read the guide →Everyday savings

Make your battery work smarter for a greener day.

Useful backup, well-timed charging, and equipment that lasts: get more value from the storage you choose.

Read the guide →