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Thinking Neutral: Small Towns Look to Renewables to Reduce Reliance on the Grid

Dave Levitan, Contributor
May 02, 2012  |  13 Comments

The town of Fowler, Colo., (pop. 1,087) sits in a 150-mile corridor between Pueblo and the Kansas border that boasts about half a million head of cattle. A few years ago, Fowler, like much of the country, faced a difficult economy and rising energy prices. Local government officials decided the cows and the energy weren't so unrelated as they seemed. They started thinking about how cattle – and the other features of the region – might help the town's fortunes.

Soon Fowler had become a standard-bearer for towns looking to become green town by going grid neutral, or producing as much or more power than it uses. They looked at a variety of renewable energy technologies, from putting the 2,400 tons of cow manure that are produced every day in Fowler into an anaerobic digester to make methane gas, to a wind farm to bedecking town buildings and grounds with solar panels.

Town leaders started exploring renewable energy first as a preserving the town coffers, according to Wayne Snider, a former executive with Grumman Aerospace, who was the town’s administrator during this period. The economic development and environmental benefits were an added bonus.

“I think the impetus behind everything at first is to save money,” Snider said in a recent interview. “Then they can see also that there’s potential for creating jobs.”

Fowler and a handful of small green towns and cities across America are on the vanguard looking to lower electricity costs, draw state and federal dollars or simply turn the community a nicer shade of green. But they face considerable challenges in realizing energy independence.

Big Plans in Fowler

Snider’s team sifted all of the options for renewable energy in Fowler. They installed an anemometer to measure the potential for wind power in the region and got to work on an initial solar project to get residents on board. That project included about 600 kilowatts of photovoltaic panels at seven sites around town on municipal property – from water pumping stations to a cemetery (“People thought that was weird,” says Snider). Denver-based Vibrant Solar, Inc. built the $1.2 million project and sells the electricity back to Fowler at about half the rate of the current utility.

The efforts attracted notice from all over – they got help from Colorado State University, the National Renewable Energy Laboratory, and others. They celebrated the solar arrays’ commissioning with a visit from then Gov. Bill Ritter.

“We hooked it up to show the public how much money could be saved, and it worked, the town is saving money,” Snider says. “It should have saved somewhere in the neighborhood of $20,000 the first year.”

A Dream on Hold

The hope was to follow up with a 2-megawatt solar array to the south of the town, and the anaerobic digestion plant that would not only bring Fowler closer to grid-neutrality but also add 45 jobs or so to the struggling economy.

So far, these bigger plans haven’t come to fruition. The town’s leadership changed over, the company that installed those first solar arrays dissolved after state solar rebates disappeared, and the grid-neutrality goal stalled.

The story isn’t unfamiliar. One of the more high profile efforts to go grid-independent is Reynolds, Ind., the self-proclaimed BioTown, USA. The project began in the mid 2000s with a stated goal of getting all of Reynolds’s energy – not just electricity, but heating and vehicle fuel as well – from renewable sources. Indiana Governor Mitch Daniels got on board, and just as in Fowler, a number of big ideas started to take shape.

Reynolds had designs on an anaerobic digestion plant, a perfect match for the 150,000 pigs within a 15-mile radius. But again, logistics got in the way; last year a large plant went online at a nearby cattle farm, but it is outside of Reynolds and feeds electricity to the grid. Still, it does produce more power than Reynolds uses, so the original dream did result in some renewable power generation. It’s just not how planners imagined it.

And there are ancillary benefits: Companies are looking at siting new projects in the area. “The publicity from it is positive, it’s kept Reynolds on the radar,” says John Heimlich, who was the president of the BioTown Development Authority when the ideas were being formed.

Spreading the Word

Fowler’s Snider is now working with other towns in Colorado – Olney Springs, Ordway, and others – to develop wind and solar projects. They are still also seeking to build a regional anaerobic digestion plant.

“If you get to a point where your town is not quite off the grid, but you’re able to offer a utility to your residents that’s less than the current rate, you can see that attracting people wanting to move to your town” Snider says. If Fowler had built the 2-MW solar plant it had planned, he says they could have locked into a super low electricity rate of six cents per kilowatt-hour; now, the utility rate is closer to 15 cents.

Tempered Expectations

The lesson of Fowler and Reynolds may be simple: keep expectations realistic.

Wade Yost, the town manager of Poolesville, Md,, says they have started with energy-saving LED street lighting in the town center, and hope to grow their renewable projects from there.

“Ultimately, we were looking at being independent of the grid itself, but that’s very difficult to do for a town our size,” Yost says (Poolesville’s population is a bit over 5,000, about ten times bigger than Reynolds). “So now we’re doing the best we can.”

The next project for Poolesville is a 1.5 MW solar array for the town’s wastewater plant. They are currently accepting proposals from industry to build it, with the hope of taking a big chunk out of the $65,000 spent on electricity for the plant every year.

“We’re just trying to tie it all in and be a really green community,” Yost says.

Dave Levitan is a journalist focused primarily on energy and the environment. His work has appeared at Yale e360, OnEarth, and IEEE Spectrum, among other places.

This article was originally published on ecomagination and was republished with permission.

13 Comments

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Lawrence Carroll
Lawrence Carroll
July 23, 2012
Energy from methane harvested aneorbically - if scaled to the appropriate size - provides a good "baseload" source of energy. Any ICE running on such methane is itself a baseload provider. The bigger the engine, the larger the baseload power, and the greater need for methane production and storage. What nations, counties, cities etc. should be doing is planning on harvesting more renewable methane from the large amount of organic waste still being dumped in landfills . . . or showing individuals and businesses how to do this themselves and free themselves from grid dependency (and maybe from the grid altogether).

We wouldn't have any type of energy "crisis" if this kind of thinking and work had been started a long time ago. If we had begun this process back in the fifties and sixties we would be enjoying a much greater self-sufficiency . . . and be congratulating ourselves every day on our foresight . . . rather than bickering about how to transcend coal, petroleum, nuclear, and natural gas "fracking" chemicals toxicity. We wouldn't need to bicker, for we would have already have replaced such things (or at least be producing a far higher percentage of our energy from methane and the like).
Joshua Goldstein
Joshua Goldstein
May 7, 2012
The project ended up being 138KW in total. Plans to add more solar in Fowler as well as 300KW or so for Saguache, another small town, were stymied when BHE put a moratorium on solar.

Also as the owner of those arrays I don't remember receiving any help from anybody (you mention CSU and NREL) except Wayne, who was instrumental in making it possible.
Chris Kapsambelis
Chris Kapsambelis
May 4, 2012
As I understand what the MIT crowd is telling us is that all power plants are capable of variable power output, what they call "load following". Natural gas can do it more efficiently than Coal or nuclear. Apparently, as the intermittent renewable energy penetration level increases, grids run out of quick acting natural gas and are forced to also use coal plants. This process negates any savings in emissions while increasing the cost of operation.

To improve the situation, more coal plants will need to be converted to natural gas. This will increase the cost (new plants cost money), and the reduction in emissions is unknown.

They refer to large scale storage as a possible answer, but no one knows when and if it will become available, and whether the cost will be worth it.

I think they are warning our policymakers that they are "Flying Blind"!
Patrick O'Leary
Patrick O'Leary
May 4, 2012
Chris, Let's not conflate peaking power with baseload. Solar is peaking power, coal and gas are baseload. Any variability in peaking power is dealt with amoung the peaking power sources, including gas fired turbines, which power up & down more than quickly enough.
Chris Kapsambelis
Chris Kapsambelis
May 4, 2012
MIT conducted a Symposium on Managing Large Scale Integration of Intermittent Renewables, where some 75 experts attended. Here are a couple of excerpts from the findings.

'In addition, fuel efficiencies will decrease when thermal generation plants are operated at partial load. Lower fuel efficiencies increase emissions rates and total costs, potentially diminishing the benefits of renewable generation. Continuously altering plant output also increases the need for operation outside of normal, steady-state procedures and the likelihood of operator error.'

'...when thermal generation plants are operated at partial load, fuel efficiencies will decrease, emissions will increase, and total system costs will be raised, thus diminishing the benefits of renewable generation.'

Unfortunately, it looks like the more intermittent renewables we add to the grid the less effective they are. We need to look for something that works more effectively!
John Ihle
John Ihle
May 4, 2012
One of the problems with the grid is that most of the electricity is supplied by fossil fuels that emit acid gases, mercury, arsenic and about 80 more toxic substances in particulate matter that affects health and ends up costing all of us more in health care costs.... and it needs mention that emissions kill people as well.

I suppose it depends on how you look at it, Chris. Maybe every town with the capability should do projects like these. It would likely be better for our economy in several respects.

And maybe you didn't notice that the cost of power from the project is 1/2 the price that the utility was charging them. That's more money that can be spent elsewhere.
Chris Kapsambelis
Chris Kapsambelis
May 4, 2012
The problem with this plan is that as more towns decrease their reliance on the grid, the cost of must have grid services will increase, and pretty soon everyone will end up paying more for electricity.
Anumakonda Jagadeesh
Anumakonda Jagadeesh
May 4, 2012
Combination of SolarPV,Wind Turbines,Biogas make it ideal combination to serve as decentralised power for small towns.
Dr.A.Jagadeesh Nellore(AP),India
E-mail: anumakonda.jagadeesh@gmail.com
Iordanka Alexandrova
Iordanka Alexandrova
May 4, 2012
Small towns, townships are ideal for these sort of programmes, they can cut much of the cities "red tape"

In Austria, there has been a programme running for many years, given the length of time it has been successful, I am suprised it has not been taken up by more towns worldwide and adapted for their region/country.

Take a look at their youtube piece: http://www.youtube.com/watch?v=H1WsbQQNsV0

more can be read at:
http://en.wikipedia.org/wiki/G%C3%BCssing
ANONYMOUS
May 3, 2012
Every town would benefit from what Los Angeles California did 30+ years ago, seal up the waste treatment plant, use the gas it makes to run the boilers that run the waste treatment plant, and produce some of the electricity needed to run the plant.

Installing a cow waste digestor will also supplement the waste treatment plant in producing more methane, that can be sold to nearby homes for heating, and used in stoves.

A couple of 1.5 MW wind turbines should also supplement the power to the waste treatment facility. They can also use 454 engines running on methane to pump the water in the plant, saving more electricity, and having the warm water from the engine as heat for the processes that require heating.

Wakasha makes some 1,200 horsepower natural gas engine pumps, that can move hundreds of cubic feet of water per minute, we had them in a stormwater station in Long Beach, California with 48" diameter discharge pipes into the LA River!
Patrick O'Leary
Patrick O'Leary
May 3, 2012
For a community that uses the Sun in agriculture, it should come as little surprise that roofing gathers solar energy. Futura Solar would be happy to answer any small town's questions about multiple benefit solar roofing for low profile commercial, industrial, institutional or agricultural buildings. Daylighting, solar air, with an option for (yes) PV, SWH or PV/Thermal.
Amaury Veiga
Amaury Veiga
May 3, 2012
Great article! Great iniciative!
That's the way to go!
John Ihle
John Ihle
May 3, 2012
We're trying to do something similar in Minnesota but are being met with (some) resistance from pro environmental and energy advocates who indicate it can't be done because Minnesota is a regulated state.

A large majority of Americans would like their energy coming from clean energy sources and it can be done less expensively if the appropriate structure is developed. It takes people with an open mind who have a desire to make change for the better. Perhaps sometimes you don't need everything to be legislated but can benefit from laws and regulations already in place.

Kudos to Colorado, Indiana which are regulated and Maryland who are thinking outside the box, leading rather than following.

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