The Midcontinent ISO on Nov. 24 filed with the Federal Energy Regulatory Commission a Generator Interconnection Agreement with Montana-Dakota Utilities as both the interconnection customer and interconnecting transmission owner for new gas-fired capacity at the existing Lewis and Clark coal plant in Montana.
“Interconnection Customer shall install a 40 MVA facility, rated at 40 MW net, with all studies performed at or below these outputs,” said the GIA. “The Generating Facility is composed of four Wartsila natural gas fired reciprocating internal combustion engines rated at 9.3 MW each. The Interconnection Service provided under this agreement is 40 MW of Conditional ERIS that will become a total of 40 MW ERIS and/or NRIS where NRIS cannot exceed 0 MW upon completion of all Interconnection Studies and all Network Upgrades identified in this GIA.”
The Point of Interconnection (POI) will be at the point where the line from this project, under MISO queue #J405, ties into the 115-kV straight bus at the Lewis and Clark 115-kV substation. The target commercial operation date is Dec. 31 of this year.
Montana-Dakota Utilities had in January announced that it will install 19 MW of electric generation at its Lewis and Clark Station site in Sidney, Montana. The new generation capacity is needed to meet the growing electric demand in Montana-Dakota’s service territory. It said this generation is expected to be online during the fall of 2015. The power will be generated by two large internal combustion engines fueled by natural gas.