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Farmers grow electricity along with crops

Vern Caldwell sits Oct. 19 in the battery barn of Pholia Farm in Wimer, Ore. The Caldwell family lives off the grid, using electricity from solar panels and a small hydroelectric turbine and heat from a wood-fired boiler. (AP Photo by Jeff Barnard)

Vern Caldwell sits Oct. 19 in the battery barn of Pholia Farm in Wimer, Ore. The Caldwell family lives off the grid, using electricity from solar panels and a small hydroelectric turbine and heat from a wood-fired boiler. (AP Photo by Jeff Barnard)

By Jeff Barnard
AP Writer

Wimer, Ore. — Vern and Gianaclis Caldwell do a lot of the typical things that make a small farm self-sufficient.

Besides the 40-some dwarf Nigerian goats they milk to make artisanal cheeses, they also raise chickens for meat and eggs, a steer for beef, horses to ride and vegetables for the table.

Unlike most small farms, their heat and electricity are entirely home grown. They produce electricity from solar panels when the sun shines, and a microhydro turbine when winter rains put water in the creek. Oak and fir cut from the farm fire a boiler that heats the cement floors of the dairy and cheese making room, as well as the hot water to wash the goats and themselves.

“We thought we should be responsible for our own energy,” said Vern Caldwell, a retired U.S. Marine Corps aircraft maintenance officer. “So that drove a lot of everything else that we did — where the buildings were placed, how they were placed, taking advantage of passive solar, how we were going to heat, how we were going to cool. All those issues then got driven by this one decision to be off the grid.”

Pholia Farm is unusual in the degree to which it is energy self-sufficient.

But more farms are installing renewable energy, said Stephanie Page, renewable energy specialist for the Oregon Department of Agriculture. The motivation was sparked by the 2008 spike in fuel prices, and is being fanned by a range of grants and tax credits handed out by state, federal and private agencies.

“As they exhaust energy efficiency projects on their farms, then they are starting to look more at renewable energy,” she said.

Just how many remains unclear, but the motivation seems to still be a desire to be green more than the bottom line, despite an increasing array of financial incentives.

No one really knows how many U.S. farms use renewable energy, such as solar photovoltaic panels, hydroelectric generators, and methane digesters. According to the 2007 Farm Census, 23,451 out of more than 2 million farms — about 1 percent — generated some kind of electricity or energy, but just what that means is unclear. Agency staff members are doing a more detailed count this year.

But indications are that the numbers are rising.

Overall renewable energy production rose 5 percent from 2007 to 2008, according to the Energy Information Administration.

And there were $9 million worth of applications for just $2.4 million in grants authorized by the 2008 Farm Bill for farm energy audits, a precondition to applying for alternative energy grants, said Bill Hagy, special assistant for alternative energy policy for the secretary of Agriculture.

In fiscal year 2008, USDA Rural Development paid for 197 renewable energy projects, and projections are for 385 projects in fiscal 2009, said spokesman Jay Fletcher.

Solar contractor Ron Summers in Detroit, Ore., regularly advises farmers that they need to show a significant profit to take advantage of the tax credits that are a big part of making renewable energy pay.

“Everybody wants to be green,” he said. “Not everybody can afford it.”

Wintergreen Farm in Noti grows organic fruits, vegetables and grass-fed beef. It took awhile to make enough profit to make the tax credits work for installing solar panels, and a USDA energy grant covering about a quarter of the cost helped them decide to go forward, said partner Jack Gray.

Before adding to capacity that now covers about one-fifth of the farm’s energy needs, the operators plan to improve the energy efficiency of walk-in coolers and other equipment.
“You really have to be able to take advantage of the tax credits, the 50 percent from the state and 30 percent from the feds,” Gray said.

Vern Caldwell would never have gone completely off the grid, with the extra expense of batteries to store the power generated by his solar panels and turbine, if the farm had already been hooked up to power. The land had previously been a grass landing strip owned by Gianaclis’ parents. Not hooking in to the grid saved them $10,000 to bring in power from the road.

“The thing to remember about most types of renewable energy is people keep trying to associate it with money,” he said. “It’s really just because it’s something that needs to be done. We felt like it’s something we should do. We didn’t really calculate a payback. We just felt like it was necessary.”

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