Some DetailsFor Bluestone Wind Project....also, two permanent meteorological towers will be constructed. An operation and maintenance building in the Town of Sanford. A collection substation will be located in Sanford at the end of the project's 34.5-kilovolt collection system and will include a 10-megawatt battery storage system. A second substation will be located at the point of interconnection, adjacent to an existing New York State Electric and Gas transmission line. The two substations will be connected by a 200-foot long span of overhead 115-kilovolt transmission line.