When it comes to on-site energy generation, the city of Tulare is in some pretty heady company.
The community of 60,000 people uses biogas and fuel cells, and is installing solar power to help power its wastewater treatment plant. The ambitious clean-energy program, described in this case-study analysis, netted the city a 16th-place ranking on the Environmental Protection Agency's national list of top 20 producers of on-site power. That follows an award from the California Sustainability Alliance last year.
With 9.5 million kilowatts of annual generation coming from green power, this city in the resource-rich San Joaquin Valley ranked ahead of supermarket chain Safeway and just behind Macy's stores in California and Hawaii. And those production figures are likely to increase when city officials finish installing the fourth fuel cell and grant-funded solar plant.
About 38% of the electricity used to power the wastewater treatment plant comes from on-site green sources. The completion of the solar system (partially financed with Energy Efficiency and Conservation Block Grants) and additional fuel cell will boost on-site green power usage even more - probably enough to push it up to 13th on the list - just behind Kohl's Department Store, said Lewis Nelson, city public works director.
Nelson says fuel cells are well suited for wastewater treatment plants. In 2010, Tulare was expected to save about $570,000 with the system.
The city's investment after a $4 million incentive was $3 million, which means it could recoup its costs within five years.
Tulare is the largest governmental user of electricity in Tulare County, much larger even than Visalia which has twice the population. "That is because we have seven large cheese plants in Tulare and a separate industrial wastewater treatment plant for that high-strength wastewater," Nelson says.
The city's new industrial treatment plant, with a capacity of 12 million gallons per day, is tied with one in South Carolina for the largest in the nation, he says. It is the fourth-largest in the world.
Tulare is the only San Joaquin Valley city on a list that includes San Diego (No. 2 with 69 million kilowatts of green power generated from biogas, small hydro and solar), San Jose (No. 6 and biogas), San Francisco (No. 9 with biogas and solar) and Portland (No. 10 with an impressive mixture of biogas, small hydro, solar and wind).
The largest on-site green-power generator is Kimberly-Clark, which produces a whopping 176.5 million kilowatts through biomass. The U.S. Air Force (biogas, solar and wind), Walmart in California and Texas and a BMW manufacturing plant in South Carolina round out the top five.
The community of 60,000 people uses biogas and fuel cells, and is installing solar power to help power its wastewater treatment plant. The ambitious clean-energy program, described in this case-study analysis, netted the city a 16th-place ranking on the Environmental Protection Agency's national list of top 20 producers of on-site power. That follows an award from the California Sustainability Alliance last year.
With 9.5 million kilowatts of annual generation coming from green power, this city in the resource-rich San Joaquin Valley ranked ahead of supermarket chain Safeway and just behind Macy's stores in California and Hawaii. And those production figures are likely to increase when city officials finish installing the fourth fuel cell and grant-funded solar plant.
About 38% of the electricity used to power the wastewater treatment plant comes from on-site green sources. The completion of the solar system (partially financed with Energy Efficiency and Conservation Block Grants) and additional fuel cell will boost on-site green power usage even more - probably enough to push it up to 13th on the list - just behind Kohl's Department Store, said Lewis Nelson, city public works director.
Nelson says fuel cells are well suited for wastewater treatment plants. In 2010, Tulare was expected to save about $570,000 with the system.
The city's investment after a $4 million incentive was $3 million, which means it could recoup its costs within five years.
Tulare is the largest governmental user of electricity in Tulare County, much larger even than Visalia which has twice the population. "That is because we have seven large cheese plants in Tulare and a separate industrial wastewater treatment plant for that high-strength wastewater," Nelson says.
The city's new industrial treatment plant, with a capacity of 12 million gallons per day, is tied with one in South Carolina for the largest in the nation, he says. It is the fourth-largest in the world.
Tulare is the only San Joaquin Valley city on a list that includes San Diego (No. 2 with 69 million kilowatts of green power generated from biogas, small hydro and solar), San Jose (No. 6 and biogas), San Francisco (No. 9 with biogas and solar) and Portland (No. 10 with an impressive mixture of biogas, small hydro, solar and wind).
The largest on-site green-power generator is Kimberly-Clark, which produces a whopping 176.5 million kilowatts through biomass. The U.S. Air Force (biogas, solar and wind), Walmart in California and Texas and a BMW manufacturing plant in South Carolina round out the top five.
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