Greenidge will remove coal ash pond

Jan 21, 2024 at 10:38 pm by Observer-Review

Greenidge Generation
DRESDEN–Greenidge Generation Holdings Inc. (GREE), a vertically integrated cryptocurrency datacenter and power generation company, announced last week that it has entered an agreement with the U.S. Environmental Protection Agency (EPA) to remove the coal ash pond created by the Dresden facility’s previous owners. The coal ash pond is a more than 60-year-old remnant of the coal-fired power operations and was used to dispose of coal ash. After purchasing the facility, Greenidge converted the facility to natural gas power and eventually went on to add a cryptocurrency datacenter on-site.  
Greenidge will remove the coal ash pond over a five-year period in accordance with federal and state standards by excavating the pond and surrounding area and removing the coal combustion residuals.
Greenidge Generation President Dale Irwin said, “The pond has been a blight on our community since before I was born, and the successful operation we’ve built here is the reason it is being removed. If we didn’t make the investment to build and grow our company in Yates County – despite the objections of some – the coal ash pond from previous ownership would literally just continue to sit there, as there would be no one to fund the cleanup. Greenidge is a part of this region’s future, and we take real pride in working to eliminate this dirty relic of the past.”
Greenidge’s plan to clean up the coal ash pond will use a phased excavation and removal approach that will also aid in managing stormwater and site restoration. Certification of the closure by removal will be provided by a state of New York licensed Professional Engineer and conducted in accordance with national performance standards issued by the EPA.
In addition to Greenidge’s plan for the final clean-up and closure of the coal ash pond, the company also has resolved outstanding issues with the EPA related to the reporting and monitoring of the coal ash pond. Greenidge has voluntarily agreed to pay a fine of $105,000 as a part of the agreement with the EPA and update reporting, but has not admitted to any fault.
Since Greenidge purchased the facility in 2014, the company has never used coal or disposed of coal combustion residuals in the coal ash pond. The removal of the pond posed a challenge for Greenidge, as the facility’s wastewater and stormwater were routed through the pond in accordance with Greenidge’s New York State Pollutant Discharge Elimination System Permit. Greenidge had previously devised a plan with the New York State Department of Environmental Conservation to direct wastewater and stormwater away from the coal ash pond, and now has completed the construction of the infrastructure to reroute the waters.
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