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United States

California Becomes First State To Mandate Solar on New Homes (bloomberg.com) 360

California regulators said on Wednesday they have unanimously approved a historic plan that will require most new homes in the state have rooftop solar panels that turn sunlight into electricity starting in 2020. From a report: Most new homes built after Jan. 1, 2020, will be required to include solar systems as part of energy-efficiency standards adopted Wednesday by the California Energy Commission. While that's a boost for the solar industry, critics warned that it will also drive up the cost of buying a house by almost $10,000. The move underscores how rooftop solar, once a luxury reserved for wealthy, green-leaning homeowners, is becoming a mainstream energy source, with California -- the nation's largest solar market -- paving the way.

The Golden State has long been at the vanguard of progressive energy policies, from setting energy-efficiency standards for appliances to instituting an economy-wide program to curb greenhouse gases. The housing mandate is part of Governor Jerry Brown's effort to slash carbon emissions by 40 percent by 2030, and offers up a playbook for other states to follow.

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California Becomes First State To Mandate Solar on New Homes

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  • Great. (Score:4, Insightful)

    by Jhon ( 241832 ) on Wednesday May 09, 2018 @06:36PM (#56584744) Homepage Journal

    California already has a housing cost issue. Lets make new housing MORE expensive!

    • Re: (Score:3, Informative)

      by Hadlock ( 143607 )

      It adds about $10,000 to the cost of a new home, which is about 1-2% of the cost of new home construction in the bay area. It's tiny.
       
      And cost will come down. As will the cost of installation.

      • Re: (Score:3, Insightful)

        It adds about $10,000 to the cost of a new home, which is about 1-2% of the cost of new home construction in the bay area. It's tiny. And cost will come down. As will the cost of installation.

        Yeah, screw the rest of California.

        • Re: (Score:2, Interesting)

          by Freischutz ( 4776131 )

          It adds about $10,000 to the cost of a new home, which is about 1-2% of the cost of new home construction in the bay area. It's tiny. And cost will come down. As will the cost of installation.

          Yeah, screw the rest of California.

          Yeah but even there the added cost still isn't the end of the world and as he pointed out, prices of home solar installations and battery walls will be falling quite sharply for some time to come. Also, Ikea is currently selling a basic solar/battery package for something like USD 5000 and those are UK prices which are guaranteed to be between 15-30% higher than in the US.

      • You're telling us there's no homes being built outside the bay area?

      • by AHuxley ( 892839 )
        Whats the cost of going new in CA?
        Economical grade, no basement, cost kept down when selecting any siding, 1 story... 1000 - 2000 sq feet?
        The $10,000 cost added on to $200000 to $500000?
      • From a couple of noted economists, such as the radically right-wing (not!) UC Berkeley energy economist Severein Borenstein [marginalrevolution.com] (More links at the destination):

        I want to urge you not to adopt the standard. I, along with the vast majority of energy economist, believe that residential rooftop solar is a much more expensive way to move towards renewable energy than larger solar and wind installations. The savings calculated for the households are based on residential electricity rates that are far above the actual

    • Re:Great. (Score:4, Insightful)

      by Ichijo ( 607641 ) on Wednesday May 09, 2018 @07:23PM (#56584972) Journal

      Thank you for supporting the repeal of laws that make housing more expensive including but not limited to: mandatory solar installations, building height limits, minimum parking requirements, minimum setbacks, maximum floor area ratios, minimum dwelling unit sizes, prohibitions against accessory dwelling units, and single-use "Euclidean" zoning.

    • Re:Great. (Score:4, Insightful)

      by JThundley ( 631154 ) on Wednesday May 09, 2018 @07:38PM (#56585020)

      Yeah! We shouldn't force people to install toilets in new homes either, outhouses work just fine!

      • Re: Great. (Score:5, Insightful)

        by Frank Burly ( 4247955 ) on Wednesday May 09, 2018 @07:58PM (#56585108)
        This reminds me of another benefit I didn't see mentioned (browsing at +X on my phone): there is an infrastructure component to this as well. Having semi self sufficient homes reduces the need for more generation facilities. And the decentralized generation may be helpful when the big one hits.
    • California already has a housing cost issue. Lets make new housing MORE expensive!

      High housing prices in California have nothing to do with construction costs.

    • Actually, if done right, these homes for total ownership will costs LESS than homes from back east esp in places like Texas.
      These homes will have little to no utility costs for the next 30-40 years. If you are low on money, retired, or simply hate wasting your money, then this will pay off in 10 years or less.
  • by Hadlock ( 143607 ) on Wednesday May 09, 2018 @06:36PM (#56584746) Homepage Journal

    15,000 of the 80,000 new home construction sites each year already include solar as part of the build.
     
    So almost 20% of new home construction already includes this. Not a drastic change from the status quo, but it will be interesting to see how fast other states follow California's lead, as they do with vehicle emissions, etc.
     
    This pushes the cost of the electrical needs of the house in to the mortgage, but at the same time reduces air pollution and reduces daytime load on the grid. Should be interesting to see how this impacts the "duck curve" that solar is causing on the California power grid.
     
      https://en.wikipedia.org/wiki/Duck_curve [wikipedia.org]https://en.wikipedia.org/wiki/Duck_curve>

    • 15,000 of the 80,000 new home construction sites each year already include solar as part of the build. So almost 20% of new home construction already includes this. Not a drastic change from the status quo, but it will be interesting to see how fast other states follow California's lead, as they do with vehicle emissions, etc. This pushes the cost of the electrical needs of the house in to the mortgage, but at the same time reduces air pollution and reduces daytime load on the grid. Should be interesting to see how this impacts the "duck curve" that solar is causing on the California power grid. https://en.wikipedia.org/wiki/Duck_curve [wikipedia.org]https://en.wikipedia.org/wiki/Duck_curve>

      Its is included where buyers want it and can afford it or are at least willing to pay for it. That represents 20% of the market. It would make more sense to me to require wiring be put in place to support solar, but leave the panels as optional. Not every home is a high dollar city or coastal region home.

    • by Q-Hack! ( 37846 ) on Wednesday May 09, 2018 @06:55PM (#56584826)

      Not a drastic change from the status quo, but it will be interesting to see how fast other states follow California's lead, as they do with vehicle emissions, etc.

      In New Mexico or Arizona where the sun shines 300 days a year, economically quite probable. In Portland Oregon... Not so much.

       

      • by AmiMoJo ( 196126 )

        Solar is quite useful in cold climates. Particularly solar heating. Great for keeping snow off the roof and the path to your door clear.

        • by slew ( 2918 )

          Solar is quite useful in cold climates. Particularly solar heating. Great for keeping snow off the roof and the path to your door clear.

          Of course passive solar is great for keeping the snow off the roof and the path to your door clear, but for things that require electricity, there are of course issues [solarpowerauthority.com]...

          Yes that snow eventually melts, but your electric baseboard heater might need to run off batteries (or the grid), whilst you are waiting for a break in the sky...

  • Think cost of the GRID. It's going to take a hell of an energy transport, storage and switching infrastructure to keep that stable.

  • Mainstream? (Score:5, Insightful)

    by Maxwell'sSilverLART ( 596756 ) on Wednesday May 09, 2018 @07:02PM (#56584864) Homepage

    The move underscores how rooftop solar, once a luxury reserved for wealthy, green-leaning homeowners, is becoming a mainstream energy source

    So mainstream, we're making it mandatory!

  • The California Public Utility Commission has for many years been a classic case of regulatory capture by industry [latimes.com] -- rubber-stamping virtually every power plant proposal brought before it. Rate payers are required to pay for these plants, and the builders make a profit even if they never produce a single joule of electricity, so California has some of the highest electricity rates in the country (though not the highest - yet).

    The perennial excuse for forcing rate payers to fork over cash to private builders

  • The one question that I have not seen answered is if the solar is being subsidized?
    If it is, it is a HORRIBLE mistake to do this.

    OTOH, if we are not subsidizing the solar, it will encourage home builders to build out using aerogel windows and geothermal HVAC since these are cheaper than adding lots of solar panel. That will lower the costs of insulation, best possible windows and geothermal hvac, and then it will further lower solar.
  • https://hardware.slashdot.org/... [slashdot.org]

    C'mon Slashdot!

    The Rear Admiral Taco would be ashamed!

  • Nuclear for the Win (Score:4, Interesting)

    by atomicalgebra ( 4566883 ) on Thursday May 10, 2018 @12:41AM (#56586224)

    The better solution would be to keep Diablo Canyon open past its planned 2024/2025 shutdown. The reactors are the best in the world. Reopen the San Onofre power station in San Diego -- even if we only open it at half capacity.

    We also need to restart construction of the Sun Desert Nuclear power plant near Blythe. We could purchase 96 NuScale nuclear reactors. NuScale reactors should also be installed at the Rancho Seco Complex near Sacramento.

    If we do this California's electricity could be nearly carbon free by 2030. If we go with solar-roofs we will still be polluting and will have wasted a lot of money.

  • I like a solar option and would love one for my residence. However, I don't need the government mandating my use of it or my non-use of it. Thank you for trying to help, government; I will now go about my business without you babying me.

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