Energy Star Partner

Energy Star Partner

Proud member of the 
            U.S. Green Building Council

Proud member of the U.S. Green Building Council

ACORE Member

American Council On Renewable Energy Member

Building Commissioning Association Member

Building Commissioning Association Member

Celtic Energy News

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Employee News

CEI President, Chris Halpin was selected by US Energy Secretary Steven Chu to be an Official Recovery Act Reviewer.


New Contracts

Celtic Energy was awarded a contract by the US Department of Energy to provide NASA’s Johnson Space Center


Recently Completed Projects

Celtic Energy just recently completely comprehensive energy audits for several customers including...


Current Projects

A run-down of some of CEI's ongoing large energy services consultant projects...


CEI Welcomes New Team Member

Christian Michel joined the Celtic Energy team in June of 2010 as an Energy Engineer.


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