Alternative energy is getting as cheap as conventional grid power
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By James McKeigue
America has been here before: in the 1970s, wars and revolution in the Middle East pushed up the oil price and derailed the US economy. Since then, solar and wind energy have struggled to compete on price with fossil fuels. But that looks set to change as they finally achieve ‘grid parity’ – the moment when alternative energy is as cheap as conventional grid power. Solar has already achieved this in sunny islands such as Hawaii, while wind does the same in windy places such as Ireland. Now, thanks to technological breakthroughs and falling equipment costs, it is set to become more common.
Measured by cost per kWh, the price of wind turbines has fallen 20% since 2007, but the improvements in photovoltaic (PV) solar have been more impressive. PV solar – the technology that turns sunlight directly into electric current as opposed to using its heat – now costs about 15 US cents per kWh. That compares to around eight cents per kWh for wind and anywhere between three and seven cents per kWh for gas and coal. Panels cost 50% less than they did in 2008. What’s more, solar provides power at the hottest time of the day, which, thanks to air conditioning, matches peak electricity demand for many countries.
One reason for this is that mass production has brought down costs. In 2010 the installed capacity rose 70% to nearly 40GW, making PV solar the fastest growing power source in the world. With the global PV market predicted to grow by 50% per year, panel costs should fall 10%-25% in 2011. Technology also plays a part. Conventional silicon solar panels convert about 8% of the sunlight to electricity. Yet a new type of panel – a thin film sprayed with a compound of metals – can convert up to 16%. The new process has also lowered manufacturing costs, albeit fluctuations in material prices mean that the relative advantage can vary.
Taken together, “this all adds up to a bright future for cheap solar energy”, says The Economist. The lowest-cost producers should soon be able to compete without subsidy against high-priced competition. “As solar cells’ manufacturing costs keep falling, there will be ever more places where they are as economical as fossil fuels, without any need for green justification.”
Yet solar stocks have suffered a sell-off recently. Cash-strapped governments in Europe – 80% of the market – have cut subsidies. That’s spooked investors. But as the policy-makers point out, the improved economics of solar power mean it doesn’t need such generous subsidies.
Take Italy, for example. When the government recently announced it would halt subsidies, solar stocks fell. And the market isn’t worried about Italy alone, says Miller Tabak + Co’s energy strategist, Kevin Simpson. Investors still remember the “cap placed on the Spanish market in 2008 that sent solar stocks and company earnings into a freefall”. In effect, a “fear of total market collapse on structural subsidy changes still moves solar stocks”.
But these fears are misplaced. “The country’s high irradiance” and “relatively developed electric grid” would sustain a viable solar market “even if government support were removed”. And should European demand slow, demand from the rest of the world is expected to pick up. China has highlighted solar in its 12th five-year plan, while California has mandated that 30% of power used in the state must be renewable. Indeed, America is expected to overtake Germany as the biggest solar market by 2014. We look at a great US play below.
The best bet in the sector
Western solar producers, such as Germany’s Q-Cell, have had a torrid time of it in recent years. The Chinese government has supported the industry in a big way. While the German government was busy subsidising consumption of solar power, the Chinese were subsidising the manufacture of it. Five of the top seven solar producers are now Chinese, although America’s First Solar has the highest market cap. With a price war looming, there are better ways to play the sector
American technology firm Satcon (NASDAQ:SATC) makes the components that help connect solar power to the grid. It also helps convert the variable output of a solar plant into stable electricity for a utility. By doing so efficiently, it can boost a plant’s overall output. It is the world leader in large utility components, although recently it has also brought out a range of products for micro-solar plants.
Strong growth in Asia and Europe helped Satcon generate record sales of $173m in 2010. It is also well positioned to benefit as America finally begins to tap its solar potential. Currently the firm trades at $3.79, but MDB Capital Group has a target of $5.50. On a forward p/e of 10.5, Satcon is a cheap nuts-and-bolts way to buy into solar growth.
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Post available in: English