The New Power Generation

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Tombstone
Posts: 3686
Joined: Mon Aug 02, 2004 12:00 pm

The New Power Generation

Post by Tombstone »

A great article at Wired. Solar Energy is a fascination of mine - and I know that several other FG'ers feel the same way. :D

Soccer moms, taco shops, even real estate developers - mainstream America is starting to pull the plug and rely on homegrown solar energy. Call it the dawn of the hygrid age.

In the old days, being green meant being hardcore. Earnest enviros plugged their poky electric cars into the wall like four-wheeled toaster ovens. They bought organic food at dusty co-ops staffed by vegan clerks in hemp ponchos. And if they were really serious, they disconnected from planet-ravaging modernity altogether and lived in a creaky cabin off the grid.

Today, hardcore has given way to hybrid. Soccer moms tool around in the Toyota Prius, with its nifty gas-electric engine that saves both fossil fuel and family funds. The suburbs are stuffed with flexitarians - mostly-veggies who pick up their staples from the gleaming organic produce section at the local Whole Foods but also opt for an occasional free-range-chicken breast.

Now come the first stirrings of what may be the most telling sign of this shift from hardcore to hybrid: people who are both middle of the road and off the grid. Across the US some 185,000 households have switched from the local power company to their own homegrown, renewable energy. The fastest-growing segment of this population - their ranks are doubling each year - isn't doing a full Kaczynski.

Sure, these folks are slapping solar panels on the roof and erecting the occasional wind turbine, but they're staying connected to the grid, just to be safe. And in many cases, they're operating as mini-utilities, selling excess electricity back to the power company. Just as their cars aren't kludgy and their food isn't flavorless, their homes aren't drafty or dimly lit. Call them hygridders. And look for them soon in a neighborhood near you. Because - trendmeisters, take note - hygrid is the new Prius.

Three hours northwest of Indianapolis, plopped in the middle of an ocean of cornfields, sits the unincorporated village of Stelle, Illinois, population 110. Steve and Jan Bell make their home here, on Tamarind Court, in an ordinary house with blue siding, a tidy front yard, and an attached garage. There's a 32-inch Sony in the rec room, family photos in the living room, a Kitchen Aid double oven and a hefty Amana refrigerator. Steve, a 52-year-old former firefighter with thinning reddish-blond hair and a neatly trimmed beard, rounds out the picture of Midwestern normalcy. The Sunday afternoon that we meet, he's wearing jeans and a floral patterned shirt - just a regular middle-class guy spending the weekend helping a friend move, mowing the lawn, and tinkering in his basement.

In the backyard, the scene is less ordinary. Standing 115 feet tall, a wind turbine gazes out on the surrounding cornfields. Next to it is a 14-foot solar tracker - 880 watts' worth of photovoltaic panels that follow the sun atop a swivel pole. There are 28 more panels on the roof. All this feeds into a basement power plant. The alt-energy control center features an inverter, about the size of a PC tower, that converts sun and wind energy into AC current to run the lights and appliances. A bank of 24 batteries, each about 160 pounds, stores the electricity for later use.

On cloudy or windless days, the Bells rely on the batteries and then, when they run dry, draw juice from the Commonwealth Edison grid. But when the wind blows or the sun shines, their homegrown energy powers the house. And if their turbine and solar panels are producing more electricity than they need or can store in their battery bank, the couple sells the excess to ComEd.

The Bells prefer to live autonomously. They heat their home with a wood-burning stove. Their hot water, dryer, and stove use liquid propane. When I ask about their energy costs, Steve grabs some old electric bills and a pocket calculator and we take a seat at the dining room table.

In the last year, he figures, he purchased about 4,400 kilowatt-hours of electricity and sold back about 2,400 kilowatt-hours. For approximately five months in 2004, his electricity bill was zero. He pecks at the calculator to add the heating expenses, then taps a few more keys and scribbles a figure on his notepad. Last year, the total cost of electricity and gas to run this perfectly ordinary, perfectly comfortable 2,200-square-foot home was $340. The typical American household spends about $1,400 annually on heat and electric utilities. But by living neither totally on the grid nor totally off it, the Bells met all their heating and electricity needs for a full year for about the price of an iPod.

The electricity meter is one of those things that homeowners scarcely think about. Each time you flick a light switch or turn on a coffeemaker, your meter creeps forward a bit, registering the inflow of energy and charging you for it. But the sun is shining on Maplewood Court this afternoon, so I'm stationed in the bushes outside Robert Candey's ranch house to watch his Westinghouse meter perform a little hygrid magic.

Candey, who lives with his wife, Amy Hansen, outside the nation's capital in Greenbelt, Maryland, has 48 solar panels on his roof and a grid-tied inverter in the basement. On this sunny, temperate day, the Candeys are producing more electricity than their home uses; they've already topped off their batteries. When I first begin staring at their meter, the dial - think of it as an electricity odometer - reads 4,561 kilowatt-hours. Then the silver platter in the center of the device begins slowly spinning from right to left, instead of its usual left-to-right course. Three minutes later, the dial clicks. Presto! 4,560 kilowatt-hours. Welcome to the Candey Utility Company.

What's going on in Greenbelt could soon be unfolding in suburbs across America. A combination of forces is pushing hygridding into the mainstream. Start with the cost of energy. Most US homes use natural gas for heat. Natural gas prices have been soaring. So has the price of electricity produced by coal-burning power plants. And that's not even factoring in the more than $1 billion in subsidies that go to the oil and gas industry, or the environmental damage - increased greenhouse emissions and mercury pollution - caused by burning fossil fuels.

Here's the whole shebang: http://www.wired.com/wired/archive/13.0 ... _tophead_7
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anastrophe
Posts: 3135
Joined: Tue Jul 27, 2004 12:00 pm

The New Power Generation

Post by anastrophe »

i'm dying to go solar on my house. the cost for a 3kW system, right about what i'd need, is about $16,000 USD. the national appraiser's institute reports that the system once installed increases the value of a home on average by $17,520. here in california, if you use 'time of use' metering with such a system, it means that you can sell electricity back to the utility during the peak usage hours of noon to 6pm (also the peak generating hours for your system!) at up to 29 cents a kilowatt-hour, then buy it back at night when usage is lower for only 9 cents a kilowatt-hour. the system can last 30 years.

main thing holding me back is financing it.
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Jives
Posts: 3741
Joined: Wed Jan 26, 2005 1:00 pm

The New Power Generation

Post by Jives »

Me too! Here in New Mexico we average 265 DAYS of SUNSHINE a year! The cost of a solar panel system is about equal to half the amount of life insurance I have, so I have it in my will that my heirs must use half of my life insurance money to install a solar system on the family's hereditary home.

The second I die, I'll be a happy man! :D
All the world's a stage and the men and women merely players...Shakespeare
Hawke
Posts: 427
Joined: Mon Nov 15, 2004 1:00 pm

The New Power Generation

Post by Hawke »

Once I earn my Graduate degree I plan on moving out West (probably to New Mexico, that's where all the achaeology is). If I do so, I wholly intend to pursue solar electricity for my home. Maybe even by that time we'll have cheaper/more efficient solar cells available. Who knows?
john8pies
Posts: 1163
Joined: Thu Apr 21, 2005 10:53 am

The New Power Generation

Post by john8pies »

I think it sounds a great idea, but to be honest here in the UK we just don`t seem to get those fantastic amounts of sunshine.
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