Solar is the New Wind. Is Your Utility Ready?

December 17, 2012


One reason I hoped Michigan would pass a 25 percent Renewable Energy standard in November was, to get our  utilities off the dime in preparing for an impending disruptive change in electrical generation.  Remember what the internet looked like in 1993? Remember how it looked in 1997?  That’s what happens when  compelling technology comes of age – and companies that aren’t ready for change that their customers want, will simply disappear.

Renewable Energy World:

Quick question.  Your state has good sunshine, lots of open rooftops, and the cost of solar energy has been falling by 10% per year.  Do you think it will take 13 years to double the 10 megawatts (MW) of installed solar power?

Yes, if you’re the largest corporate utility in my state, and willfully ignoring the economic trend.  But ‘no’ if you make decisions based on data, because the price of unsubsidized solar electricity will undercut most utility retail electricity prices within a decade, enabling 200 times more solar (4,400 MW) than found in this utility’s plans.

That’s just one utility’s wake up call in a new report from the Institute for Local Self-Reliance (ILSR), Commercial Rooftop Revolution, and it’s far from the only one.  By 2016, over 100,000 MW of unsubsidized rooftop solar will able to match grid electricity on price.  Within 10 years, it will be 300,000 MW, enough to provide 10% of the nation’s electricity.  This affordable solar future presents a stark challenge to traditional utility planning and a clarion call for better electricity policy

Some utilities have responded by clinging to the 20th century paradigm of centralized control.  Virginia’s Dominion Power, for example, expressed satisfaction at a recent conference at introducing standby charges on solar producers, ostensibly to help them recover the cost of “backing up” solar power.

On the other hand, many utilities and state regulatory commissions are finding the value in solar and realizing that perceived barriers aren’t as large as they had feared.  Austin Energy, a Texas municipal utility, now pays a non-subsidy premium for solar because it helps them offset expensive peak power purchases.  In Hawaii, utilities who two years ago argued that the distribution grid was at its limit have been managing to accommodate thousands more solar projects on their grid systems.

Regardless of their predisposition toward solar power, utilities, regulators, and policy makers need to recognize that there’s a revolution in electricity systems coming soon.  Solar will become so affordable in the next 5-10 years that as many as 38 million homes and businesses will elect to produce their own power more cheaply from unsubsidized solar rather than buy it from their utility.  That means policies that limit distributed generation will have to change: net metering limits must rise, permitting must be simplified, archaic “15% rules” will have to be driven by data not speculation.


3 Responses to “Solar is the New Wind. Is Your Utility Ready?”

  1. neilrieck Says:

    While I am still a little uncomfortable with PV solar (it is 100% dead at night unless you stored additional energy during the day; it shuts down during cloudy skys and thunder storms; it works most efficiently between 30N and 30S), new projects exist which promise to double the output of PV solar cells:

    The only question here is once it is invented in the US, will it be manufactured in the US or elsewhere?

    • greenman3610 Says:

      watch Germany. watch Germany. watch Germany.

      • neilrieck Says:

        Yep, I hear you 🙂

        When I started in the electronics field back in 1970, PV was only 5% efficient (military-grade and space-grade components were higher). Learning that new materials might bring efficiencies up to 50% is almost a dream come true. But there is a twist: for 3-layer PV to work, the cell needs to be perpendicular to incoming rays which means tracking hardware. It’s not impossible, just a little more expensive.

        Food for thought: But there are places in the off the coast of Holland, Denmark, Belgium, Sweden and Norway where the wind never stops, day or night. We all know that wind moves as a result of temperature differences which is why shorelines are the best sites.

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