The Pinnebog Wind Park consists of 30 wind turbine generators supplying 50 megawatts (MW) of power to Michigan residents, part of DTE Energy’s goal to increase renewable resources per the Michigan Renewable Energy Standard.
DTE Energy Supplier of the Year
Build Michigan Award
Aristeo was awarded the EPC contract for the 30-turbine Pinnebog Wind Park, which was an expansion of Echo Wind Park. Our work on this project led to Aristeo receiving the DTE Energy Supplier of the Year Award. Pinnebog Wind Park was completed on time in 2016 with an excellent safety record of zero recordable incidents over 80,000 manhours.
Aristeo’s scope for the Pinnebog Wind Park, included site preparation and installation, turbine foundations and installation, as well as site restoration. Additionally, the team constructed an addition to the existing substation to transmit the electricity generated by this wind project to the grid. Due to the size of the project, the team planned schedules in detail to ensure minimal interruptions to construction. Constant planning and communication by all involved enabled the right resources to be in the right place at the right time.
Aristeo’s scope included the construction of access roads, excavation and backfill for 30 turbine foundations, concrete placement for turbine foundations, turbine erection, installation of the electrical collection system, tower wiring, site restoration and the expansion of the existing Pinnebog substation. Each foundation contains over 440 cubic yards of concrete and includes approximately 40 tons of reinforcing steel. Aristeo oversaw more than 15 subcontractors and suppliers to complete this scope of work.
The Pinnebog Wind Farm site presented challenges that are unique to wind energy construction. The footprint of the project was spread over 7,000 acres. This required a detailed logistics plan to be developed long before the start of construction. Delivery routing for the components was identified as well as a plan to move the main erection crane from site to site. The crane was able to walk from site to site in most instances, but some sites required the “break-down” and re-assembly of the crane. Every attempt is made to minimize the number of break-downs on a project as they are time consuming and adversely affect the productivity goals of the project.
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