Environmental Power announces first delivery of pipeline-quality biogas
Already practised in Europe on a relatively large scale (overview), feeding biogas into the natural gas grid is now a fact in the US too. Environmental Power Corporation today announced that its subsidiary, Microgy Holdings, LLC, has achieved the initial delivery of pipeline quality renewable natural gas from the Huckabay Ridge facility in Stephenville, Texas (picture).
The facility is able to generate biogas from manure and other agricultural waste streams, condition the biogas to natural gas standards and distribute it via a commercial pipeline. Microgy's has branded, the renewable, pipeline-quality biomethane product as 'Renewable Natural Gas'.
At full build out, Huckabay Ridge may be the largest biogas production facility in the world, with annual output of approximately 650,000 MMbtus of RNG per year - the equivalent of over 4.6 million gallons (17.4 million liters) of heating oil.
In addition to energy production, Huckabay Ridge is also expected to generate approximately 200,000 tons of carbon offset credits annually, based on existing Chicago Climate Exchange protocols. Greenhouse gas capture is a rapidly growing environmental concern that is being supported by numerous State initiatives, including California and the Northeast, and is attracting significant attention among federal legislators pursuing restrictions that limit carbon output and create a market for trading carbon capture "credits". The carbon credits, which have a value of approximately $4.00 per metric ton in today's voluntary carbon credit market, are expected to increase in value as a binding cap and trade system evolves in the U.S.
Currently six of Huckabay Ridge's eight digesters are producing biogas, and are in varying stages of start-up and operation, with the remaining two digesters beginning start-up:
biomass :: bioenergy :: biofuels :: energy :: sustainability :: biogas :: natural gas :: purification :: carbon credits :: US ::
Biogas has now been processed through the on- site gas-conditioning and compression equipment and, once the commissioning process is finalized, Huckabay Ridge is expected to be generating RNG(TM) at full capacity later this spring. The RNG(TM) produced by the facility has been purchased by the Lower Colorado River Authority pursuant to a previously announced long-term purchase agreement through September 2008.
"While making initial deliveries of gas into the pipeline is not the conclusion of the startup process, it is a critical first milestone. Now the process shifts to demonstrating fully reliable operation. I am very confident in the Microgy team and their consultants and fully expect that they will be able to achieve this important objective in time to meet our projected commercial operation date."
"The experience of the start-up of Huckabay will be invaluable in our project rollout at the other large-scale facilities under development in Texas, California and other key markets," continued Mr. Kessel. "Our standardized modular plants will enable us to implement numerous large-scale RNG facilities rapidly and in a cost-effective manner."
To date, there are no projections on the overall potential of biogas in the US. In Europe, a recent estimate indicates that by 2020, the continent can replace all natural gas imports from Russia (earlier post).
The facility is able to generate biogas from manure and other agricultural waste streams, condition the biogas to natural gas standards and distribute it via a commercial pipeline. Microgy's has branded, the renewable, pipeline-quality biomethane product as 'Renewable Natural Gas'.
At full build out, Huckabay Ridge may be the largest biogas production facility in the world, with annual output of approximately 650,000 MMbtus of RNG per year - the equivalent of over 4.6 million gallons (17.4 million liters) of heating oil.
In addition to energy production, Huckabay Ridge is also expected to generate approximately 200,000 tons of carbon offset credits annually, based on existing Chicago Climate Exchange protocols. Greenhouse gas capture is a rapidly growing environmental concern that is being supported by numerous State initiatives, including California and the Northeast, and is attracting significant attention among federal legislators pursuing restrictions that limit carbon output and create a market for trading carbon capture "credits". The carbon credits, which have a value of approximately $4.00 per metric ton in today's voluntary carbon credit market, are expected to increase in value as a binding cap and trade system evolves in the U.S.
Currently six of Huckabay Ridge's eight digesters are producing biogas, and are in varying stages of start-up and operation, with the remaining two digesters beginning start-up:
biomass :: bioenergy :: biofuels :: energy :: sustainability :: biogas :: natural gas :: purification :: carbon credits :: US ::
Biogas has now been processed through the on- site gas-conditioning and compression equipment and, once the commissioning process is finalized, Huckabay Ridge is expected to be generating RNG(TM) at full capacity later this spring. The RNG(TM) produced by the facility has been purchased by the Lower Colorado River Authority pursuant to a previously announced long-term purchase agreement through September 2008.
"While making initial deliveries of gas into the pipeline is not the conclusion of the startup process, it is a critical first milestone. Now the process shifts to demonstrating fully reliable operation. I am very confident in the Microgy team and their consultants and fully expect that they will be able to achieve this important objective in time to meet our projected commercial operation date."
"The experience of the start-up of Huckabay will be invaluable in our project rollout at the other large-scale facilities under development in Texas, California and other key markets," continued Mr. Kessel. "Our standardized modular plants will enable us to implement numerous large-scale RNG facilities rapidly and in a cost-effective manner."
To date, there are no projections on the overall potential of biogas in the US. In Europe, a recent estimate indicates that by 2020, the continent can replace all natural gas imports from Russia (earlier post).
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