"Change the way you use electricity Archives | The Cool Down

Solar panels on a roof.

Home

New homeowner stunned by $420 bill despite rooftop solar

Sheep near solar panels.

Business

New solar laws could unlock lower electricity bills across Virginia

An aerial view of a solar panel array arranged in rows on a grassy field.

Tech

Tandem PV breaks the 30% efficiency solar barrier with perovskite-silicon module built for scale

A close-up of a control panel with two power buttons and a warning label mounted on a textured surface.

Tech

New solar batteries stopped at sunset, and a missing PG&E meter collar may be why

Solar panels in China.

Tech

Chinese solar maker unveils 907-watt panel that sets a new global efficiency mark

A house with solar panels, a heat pump, and lavender plants in the garden.

Home

Homes with solar panels or heat pumps sell for up to 2% more, yet most listings omit them

A Hoymiles device mounted on a wall.

Tech

Hoymiles' new home battery pairs with solar, runs near-silent, and uses AI to trim bills

A sleek Tesla Powerwall.

Tech

Tesla Powerwall 3s keep draining, recharging, and starting over for 4 days, before third try ends it

A solar panel installation on a rooftop overlooking a residential area with buildings in the background.

Business

India's rooftop solar market jumps 125% as PM Surya Ghar drives a home-installation surge

Two Rheem water heaters displayed side by side, each with an EnergyGuide label showing estimated yearly costs.

Home

New homeowner finds 2 water heaters wired in series, and plumbers call it a Legionella risk

A hand adjusting the temperature dial on a white appliance with digital display and control buttons.

Home

First-time buyers turned up the water heater, and a home inspector's miss sent water everywhere

A Tesla Powerwall and solar inverters mounted on a house’s exterior wall.

Home

Homeowner says Tesla Powerwall 3, 16-panel array erased electric and gas bills in first month