CH Four Biogas is a leading process engineering and design firm specializing in biogas systems.

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Perennial Energy will be at the SWANA Western Regional Symposium Tradeshow from April 3^rd – 6^th!

Our team is ready to answer all your questions about Ultra Low NOx flares and biogas compression systems.  Brad Alexander and Mike Wells hope to see you there!

Perennial Energy will be at the 38^th Annual Northwest Regional Symposium

Our team is ready to answer all your questions about Ultra Low NOx flares and biogas compression systems.  Colby Staggs hopes to see you there!

38th Annual SWANA Northwest Regional Symposium

April 18-20, 2023
Tulalip Resort Hotel, WA

APRIL 17-20, 2023
GEORGIA WORLD CONGRESS CENTER | ATLANTA, GA

Perennial Energy will be at the SOAR Technical solution conference

Our team is ready to answer all your questions about enclosed flares, utility flares and biogas compression systems.  David Mathews and Mike Wells hope to see you there!