50 hours are counted towards the 100 hours per year provided for maintenance and testing.
The 50 hours per year for non-emergency situations cannot be used for peak shaving or
to generate income for a facility to supply power to an electric grid or otherwise supply
power as part of a financial arrangement with another entity. For owners and operators of
emergency engines, any operation other than emergency operation, maintenance and
testing, and operation in non-emergency situations for 50 hours per year, as permitted
above is prohibited.
80015464 (Rev.C)
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