The Decline of the Solar Energy Industry in North America

This article shares the 50 year history and the decline of the solar energy industry in North America, as solar markets establish themselves in Germany and Japan.

| December 2000/January 2001

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    Solar plate on the roof of home.

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Solar markets flee overseas and leave a curious legacy behind during the decline of the solar energy industry in North America. 

When photovoltaic (PV) energy panels were first developed at Bell Laboratories in the early 1950s, scientists envisioned them primarily as an onboard source of power for future spacecraft. The PV effect — or the process by which sunlight striking a layer of silicon or selenium produces a stream of electrons (electricity) — had actually been discovered a century earlier. Bell, however, was the first to join several PV cells into panels and commercialize the product as an extremely durable and dependable source of power. At $40,000 per watt of energy produced, these were a curiosity best left to governments with deep pockets. Fifteen years later, when MOTHER was set to publish its first issue, PV modules were just beginning to enter the homeowner marketplace. Though the promise of smoke free, power line-less electricity was alluring, systems were still so expensive ($50,000 to $75,000) that only the very wealthy could afford to plug in.

PV came of age just as the nation was experiencing the worst of the 1970s energy crisis. The government responded by investing in PV research programs, installing thousands of panels in federal buildings and offering considerable tax breaks to those who incorporated PV at home. System prices began to fall. At the same time, a wave of "back-to-the-landers" found their inspiration to seek a more simple life in the country and discovered that a PV system could make off-the-grid living an exponentially easier proposition. Compared with the back-breaking expense of extending grid power to a remote home, even a $20,000 PV system of panels, batteries and inverters could pay for itself as soon as it was switched on. Slowly (often far too slowly for our patience), costs continued to decrease, until we at last trumpeted the revolutionary $5 per watt panel in 1994.

Regrettably, prices have not fallen appreciably since then during the decline of the solar energy industry, and as a result the domestic solar electric industry is experiencing a midlife crisis as it approaches its 50th birthday. Even manufacturing gadflies will admit that PV is having a tough time finding a boom market in North America, primarily because the government is not getting involved. "The real PV business is overseas," reports Paul Maycock, President of PV Energy Systems in Warrenton, Virginia ( "Over 100,000 systems were installed in the developing world just last year, and the large-scale investment that countries like Germany and Japan are making is really boosting business there. Currently, there is a worldwide shortage of solar panels because of all the buying that's going on."

The German and Japanese programs are ambitious by any standards. The Japanese government has committed itself to helping 70,000 homeowners install PV systems, at a full 30% of cost. Germany is aiming for 100,000 systems in a similarly funded effort. Lower consumer costs for power are certainly a bonus in a government-sponsored energy program, but ultimately the political rationale comes down to clean air. "The Japanese in particular have had to conclude that ultra-congested urban areas in tandem with traditional coal- or oil-fired power plants are not a boon to health," says Maycock. "They see the wisdom in thinking green." Both programs are advancing utility-intertie connections, in which power to the home comes from the existing power grid as well as the supplemental PV system. If power consumption is low enough and the PV system is large enough, these homes can actually produce more power than they consume, in which case the utility is required to purchase the excess. "One of the most ambitious aspects of the German program," Maycock added, "is that it stipulates that the utility must buy back PV power at the rate of 50 cents per kilowatt hour. That's more than twice what the utility charges for it's own power, so we can envision, then, a real economic boon to thinking PV. These systems can readily pay for themselves over time."

"System payback" is a term long used to describe the practicality or impracticality of solar power, particularly here in North America. Homeowners must wonder what use there is in investing in a utility-intertie system when the power produced by its 20 panels, each producing 75 watts in peak sunlight, can never offset the $20,000 installation cost. "It's a good question," admits Johnny Weiss, director of Solar Energy International in Carbondale, Colorado. "And until the government puts its money where its convictions are supposed to be, the answer is that there isn't compelling economic interest in doing it. Only a few million dollars have been spent on the Clinton administration's 'Million Solar Rooftops' initiative. It was an empty gesture in many ways. The U.S. government has eternally provided incentives to the off, natural gas and coal industries. If we had to factor in the gigantic tax breaks along with the cost of that little military adventure to unplug our supply in the Persian Gulf, we wouldn't be paying seven to 15 cents a kilowatt hour for power. It'd be twice that. And all the while there's been this totally practical and available source of electricity at our doorstep."

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