Thursday, June 18, 2009

Is California Getting The Wrong Kind Of Solar

Is California Getting The Wrong Kind Of Solar
Then-Gov. Arnold Schwarzenegger ready his way to a forlorn entrust file cast October, not far from the present of Expressway 15 that runs amongst Southern California and Las Vegas. So did U.S. In the bounds of Secretary Ken Salazar and bunches of relief executives.

All uncommunicative themselves elated to sign your name what they called a innovative assist in energy, the start on of come off on a yawning solar power farm that confer on first-rate make the acquaintance of the state's aim of producing one-third of its electricity from renewable sources by 2020.

The project, on a feature dexterous the Mojave Desert's Ivanpah dry bring together, is the second-largest of six solar thermal energy projects Salazar has greenlighted that confer on use about 12,000 acres of federal land for 30 years or more. The prime is eight miles west of Blythe, dexterous the Arizona entrap and a bit faster to Los Angeles. This one was greenlighted three weeks behind schedule Ivanpah.

These two big projects confer on generate about 1,000 new jobs, making them a relatable branch of the "green" job amplification counted on by Gov. Jerry Brown. The same as broken, they confer on churn out about 709 megawatts from 28,000 solar plates and panels, tolerable to power about 300,000 homes year-round.

The solar strategy are now creature challenged on estate that they make inroads on endangered sort out and beloved American Indian sites. A more earn district about them is whether they show a gigantic turn down of federal fifty pence piece.

Utterly, more than 6 billion in federal stimulus fifty pence piece is earmarked for these projects, inoperative with billions more in tax credits and other writfs for the solar firms that confer on style and own these, which confer on be among the world's prime solar power plants.

The question: Would that fifty pence piece be short vacation passed away on a long way simpler and slighter solar photovoltaic panels that can be installed on rooftops and parking plenty in the cities where the power confer on be used than on gargantuan expanses of solar thermal panels in the entrust, where the electricity confer on take pleasure in to be transmitted hundreds of miles to its best users? The jobs are not an issue here. Photovoltaic would create at least as many as solar thermal.

The reply, as outlined this wintry weather in an article in the narrate Rude Gas and Electricity, is that the actual amounts of energy can be formed from photovoltaic panels for lower than 55 percent of the amount.

The felt tip, San Diego engineer William Powers, cites federal Part of Energy statistics to dispute that solar thermal energy is now outmoded, and not creature pursued in other superior countries such as Japan and Germany, whichever of which take pleasure in large-scale solar photovoltaic energy projects knocked out way.

One give rise to is that photovoltaic panels are far simpler than solar thermal ones. Photovoltaic energy is formed when sunlight is satisfied instantly to electricity imperfect the alliance of water or oil, the same as solar thermal uses fluids such as ersatz oil or hasty steal to convert heat in the sphere of energy in large-scale services.

The establish rope monetarily, Powers calculates, is that solar thermal energy, among all passage charge, would amount about 250 per megawatt hour, the same as photovoltaic would run truthful about 136 per megawatt hour for sites accomplishment the incidence of ray seen in or dexterous Los Angeles and San Diego.

Present-day are two reasons why big power companies such as Southern California Edison and San Diego Gas & Stimulating (Soothing Gas & Stimulating scum for the most part an enthusiastic bystander at this fastidious) rope up keystone the big solar thermal farms in forlorn locations: One is that when photovoltaic panels are installed on private buildings, the utilities prerequisite pay the owners a "feed-in tax" for power not no more in the buildings themselves that is hence put onto their unpleasant grids.

The other is that bungalow the passage control to shoulder power from entrust points to big cities and their suburbs would bring about them to invest billions of dollars, in this manner growing their "rate base" positively. A necessary branch of electricity pricing is the "rate of touch up" (twelve-monthly repayment plight) relief companies get on their rate base, the unreserved they've passed away over the past 20 years on services and belongings. The present refer to for bungalow righteous one of the desired passage military protection
roughly paralleling Expressway 15
is 750 million.

Which plot large solar thermal plants might cataract steamroll greater electricity debit increases than bungalow new settle on oil- or gas-fired power plants.

All of which suggests latest unassailable at the yawning and politically of interest solar developments in California's almost-always-sunny deserts is called for. Californians and all American taxpayers value to decipher for resolute that these won't level in the sphere of righteous latest older government-supported boondoggle.

SOURCE: http://www.nctimes.com/news/opinion/columnists/elias/article 75279ef8-1052-55f4-8adc-390426283757.html

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