Revenue during the period was $0.7m, down from $0.9m in first quarter 2008.
The company, based in Tarrytown, New York, said the main reason for the revenue decline was a reduction in the amount of greenhouse gas sequestration credits in the first quarter of 2009 versus a year ago.
Environmental Power’s main operating subsidiary, Microgy, develops and operates proven large scale, commercial anaerobic digestion based projects which produce a versatile methane-rich biogas from livestock waste and other organic sources.
Officials