G1 Modification to Existing Geothermal Power Plant (Mammoth Pacific / Ormat)
Summary
SCH Number
2013058159
Public Agency
Great Basin Air Pollution Control District
Document Title
G1 Modification to Existing Geothermal Power Plant (Mammoth Pacific / Ormat)
Document Type
NOE - Notice of Exemption
Received
Posted
5/10/2013
Document Description
In-kind replacemetn of this equipment and fluid; Turbines, Heat exchangers, Air cooling bundles (tubes), Piping, and changing out the Corken Unit for a proprietary Ormat Vapor Recovery Maintenance Unit (OVRMU), both devices emit ambient air that has entered the working fluid, and changing the "working" fluid from isobutane to n-butane (both VOCs, neither GHGs). No change in; Megawatts produced, Brine usage, Wells used, No new facilities or structures, and No change in height or elevation or footprint of plant.
Contact Information
Name
Theodore Schacde
Agency Name
Great Basin Air Pollution Control District
Contact Types
Lead/Public Agency
Phone
Location
Cities
Mammoth Lakes
Counties
Mono
Notice of Exemption
Exempt Status
Categorical Exemption
Type, Section or Code
15301(b), 15302(c)
Reasons for Exemption
The in-kind replacement of equirment at the G1 geothermal power plant will cause no change in megawatts, brine usage, wells used, no new facilities or structures and no change in height or elevation or footproint of the plant, and will have no significant effect on the environment.
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