A large exhaust fan drawing will move air out of the mine 24 hours a day
Air from the mine will be exhausted through the mine’s headframe at approximately 165’ above ground. The ventilation fan exhausting the air will operate continuously, 24 hours a day, every day, at 200,000 cubic feet per minute.
The permit application estimates a PG&E power net load of 6,000 Kilowatts (KW). Total power is estimated at 42,757,000 Kilowatt-Hours (KWH) per year. This is approximately equivalent to the power used by 5,000 houses.
 Applicants Project Description, Nov 2019
 Air Quality and greenhouse Gas Emissions Analysis Technical Report for the Idaho-Maryland Mine Project, Feb 2020, pp. 73-74: https://www.mynevadacounty.com/DocumentCenter/View/33583/Air-Quality-and-GHG-Report---Added-3-9-2020
Average energy usage per CA residence = 667 KWH / month = ~8000 KWH / year. https://www.electricchoice.com/blog/electricity-on-average-do-homes/