Connecticut Department of Energy & Environmental Protection

DEEP headquarters at 79 Elm Street in Hartford has partially re-opened to staff and members of the public as of Tuesday, February 3. The DEEP records room has re-opened. The DEEP Central Permit Processing Unit (CPPU) will be open to the public starting on Wednesday, Feb. 4. For updates, click here

What is the category of your existing stationary engine of more than 500 horsepower?

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  Limited use, operates less than 100 hours per year  Emergency 
 Non-emergency compression ignition  Non-emergency spark ignition 4-stroke lean burn 
 Non-emergency spark ignition 2-stroke lean burn  Non-emergency spark ignition 4-stroke rich burn
 Landfill or Digester gas

 

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