Skip to main content

Study: California Best State for Rooftop Solar

Support Provided By
california-sun-8-8-13-thumb-600x450-57266
California sun is number 1 | Photo: Andrew Miesem/Flickr/Creative Commons License

A new study of residential rooftop solar in the United States ranks California as the best place in the country for people who want to solarize their houses. The study, done by the financial blog nerdwallet, says California offers the best combination of sunshine, incentives, and potential savings on high electrical bills of any of the fifty states.

The nerdwallet study also factored room for solar growth on each state's grid into its calculations.

Following California's lead in the top five, according to nerdwallet, are Hawaii, Arizona, and the somewhat surprising Chesapeake Bay states of Maryland and Delaware, each of which has robust state incentives for rooftop solar.

Hawaii is a tough competitor for the lead, with far better sunshine closer to the equator, and unbelievably expensive electric bills. In summing up the reasons California beat out the Aloha State for the top spot, nerdwallet says:

California's electricity costs are among the most expensive in the country. The state has set the loftiest goal of deriving 33 percent of electricity from renewable sources by 2020. This high goal encourages generous rebates from utilities to help cover the cost of installation in addition to cash back incentives once the system is in use given support from the California Solar Initiative. After installation, residents also are exempt from paying state property taxes on their system. Cities and municipalities provide even more incentives[.]

Another reason California likely took the top spot instead of the Islands: nerdwallet figured that California has room for 1,563.6 megawatts of rooftop solar on its current grid, compared to Hawai'i's 85.2 megawatts.

Ordered lists have bottoms as well as tops, and this one's no exception. The bottom five states for rooftop solar, according to nerdwallet, were Nebraska, Alaska, Wyoming, Idaho, and North Dakota.

Utah and Oklahoma didn't make the bottom five: they ranked 28th and 42nd, respectively. Still nerdwallet singles those two solar laggart states out for specific criticism, pointing out that Utah's continued reliance on coal-fire plants means Utahns enjoy low power bills. Not only does that heat up the planet for the rest of us, but it also makes it less feasible for Utahns of conscience to go solar. And while Oklahoma has renewable energy goals on paper, that state's legislature has passed no laws to help people comply with those goals, earning the state nerdwallet's "worst state incentives" slot.

Support Provided By
Read More
An oil pump painted white with red accents stands mid-pump on a dirt road under a blue, cloudy sky with a green, grassy slope in the background.

California’s First Carbon Capture Project: Vital Climate Tool or License to Pollute?

California’s first attempt to capture and sequester carbon involves California Resources Corp. collecting emissions at its Elk Hills Oil and Gas Field, and then inject the gases more than a mile deep into a depleted oil reservoir. The goal is to keep carbon underground and out of the atmosphere, where it traps heat and contributes to climate change. But some argue polluting industries need to cease altogether.
Gray industrial towers and stacks rise up from behind the pitched roofs of warehouse buildings against a gray-blue sky, with a row of yellow-gold barrels with black lids lined up in the foreground to the right of a portable toilet.

California Isn't on Track To Meet Its Climate Change Mandates. It's Not Even Close.

According to the annual California Green Innovation Index released by Next 10 last week, California is off track from meeting its climate goals for the year 2030, as well as reaching carbon neutrality by 2045.
A row of cows stands in individual cages along a line of light-colored enclosures, placed along a dirt path under a blue sky dotted with white puffy clouds.

A Battle Is Underway Over California’s Lucrative Dairy Biogas Market

California is considering changes to a program that has incentivized dairy biogas, to transform methane emissions into a source of natural gas. Neighbors are pushing for an end to the subsidies because of its impact on air quality and possible water pollution.