Eco Grove Wind Farm - Lena, IL
Acciona
Construction of 8.17 miles of 138 kV single circuit transmission line wood poles with braced post configuration. This line connects
the new connector yard to the existing utility substation. Construction includes more than 60 wind towers producing 100 MW.
In Progress
Rail Splitter Wind Farm - Boynton, IL
Horizon Wind Energy
Construction of the 100 MW Rail Splitter Wind Farm with 67 1.5 MW GE Turbines. Construction included one high voltage collector
substation 34.5 kV - 138 kV and installation of 6.0 miles of 138 kV transmission line on light duty steel structures. This project
also includes commission of electrical equipment excluding main step up.
Completed in 2009
Farmers City Wind Farm - Tarkio, MO
Iberdrola Renewables
Construction of the 146 MW Farmers City Wind Farm with 73-2.0 MW Gamesa Turbines. The project included trenching & installing 45 miles
of 34.5 kV URD collection system and installing 6 miles of overhead distribution line. Construction also included 34.5 kV - 345 kV
collector substation.
Completed in 2008
Providence Heights & Crescent Ridge Wind Farm Substations - Tiskilwa, IL
Iberdrola Renewables
Construction of the Iberdola Providence Heights 34.5-138 kV Collector Substation, related underground 35 kV cable collector system,
down-tower wiring connections, and the new TSS-981 Crescent Ridge 138 kV Substation for interconnection of the new generation project
to ComEd’s system.
Completed in 2008
Fowler Ridge Interconnect and Collector Substations - Fowler, IN
Northern Alternative Energy
Construction of interconnect and collector substations for 34.5 kV to 345 kV for 40 Clipper C-96 and 182 Vestas V-82 wind turbine
generators. The underground collection system and two substations are interconnected to the transmission system through a
25-mile, 345 kV transmission line.
Completed in 2008
Ashtabula Wind Energy Center - Pillsbury, ND
Otter Tail Power
Construction consisted of 9.5 miles transmission line with a nominal voltage of 230 kV and a nominal capacity of 400 MVA. This line
connects to the Minnkota Power Cooperative's Pillsbury 230 kV Substation. Ashtabula Wind Center is the largest North Dakota wind
facility to date.
Completed in 2008
Grand Ridge Wind Energy Center Interconnect Substation - LaSalle, IL
Invenergy LLC
Construction of an interconnect substation for the new Grand Ridge Energy Center. Grand Ridge is a 66 wind turbine
electrical generation facility utilizing GE 1.5 MW wind turbine technology.
Completed in 2008
Elm Creek Wind Farm - Trimont, MN
Iberdrola Renewables
Expansion of the existing 345/34.5 kV substation to handle additional power generated by the 66 GE windmills that make up the Elm Creek
Wind Farm project. This substation expansion involved adding a new 345 kV switchyard bay, 34.5 kV to 345 kV transformer, switchgear
building, 34.5 kV capacitor bank. This substation was built with room for expansion in the future.
Completed in 2008
Blue Mound & Twin Groves Transmission Line & Substations - Bloomington, IL
Horizon Wind Energy
Construction of Twin Groves Collector/Step-up Substation Rated 34.5 to 345 kV with single step up transformer plus 34.5 kV switchgear and power factor correction.
Project involved construction of Blue Mound Substation and tie to ComEd central Illinois grid at 345 kV. The work included relaying modifications
as required on either side of Blue Mound tie point and construction of five miles of single circuit 345 kV transmission line to Blue Mound ComEd interconnect substation.
Completed in 2007
Camp Grove Wind Farm Transmission Interconnect - Camp Grove, IL
Orion Energy Group
Construction of nine miles of 138 kV, single circuit T-2 conductor that tied into ComEd's
Toulon interconnect substation.
Completed in 2007
32 MW Dispersed Energy Project - Ruthon, MN
Northern Alternative Energy
The project consisted of electrical construction of 46 windmills at four distinct sites. Installation included 46 padmount transformers, 18 miles
of 34.5 kV, 3-phase underground power and communication cable, and 7 miles of 34.5 kV 3-phase overhead line construction.
Completed in 2000
Lake Benton Wind Farm Electrical Installation - Phase II - Lake Benton, MN
Zond Constructors, Inc.
Installation included 143 padmount transformers and elbow terminations, secondary connections, along
with 24 miles of underground three-phase 34.5 kV power cables, six-pair communication cable, and fiber optic cable.
Overhead line installation associated with the wind farm included 26 miles of three-phase, 34.5 kV line with connections
to riser poles. Four interconnect substations were also installed for the wind farm.
Completed in 1999
Lake Benton Wind Farm Electrical Installation - Phase I - Lake Benton, MN
Zond Constructors, Inc.
Installation included 138 padmount transformers and 23 miles of underground 34.5 kV three-phase power, six-pair
communication cable, fiber optic cable placement, and duct bank work. Construction also included three 34.5 kV
interconnect substations
Completed in 1998
