Garden Plain Wind Project


Project Name |  Garden Plain Wind Project

Owner | TransAlta

Client’s Name | TransAlta

Location | Hanna, Alberta

Date / Project Timeline / Delivery | April 2022 to April 2023

Market Sector | Utilities

BACKGROUND (Pre-Project Commencement)

The Garden Plain Wind Project is located approximately 35 km north of Hanna, Alberta.  The project consists of 26 Wind Turbine Generators (WTG) for a total capacity of 130 MW, an underground collector system, a substation, and a 240 kV interconnection T-tap to an existing 240 kV transmission line.

ACTION (ICONIC’s Scope & Delivery)

  • Mobilization
  • Civil Works: Complete all earthwork necessary for installation of equipment, buried cables, grounding, conduits and structures; including install of foundation piles.
  • Grounding Grid: Supply ground cables and all accessories for complete substation grounding grid including wires, rods, crimps and connectors, grounding mat and pigtail leads
  • Main Power Transformer Foundation and Terminations: Construct the main transformer ready for final testing.
  • Also construct the transformer concrete foundation and secondary containment including excavation, backfill, structural fill base, embedded steel, concrete accessories, and grounding with pigtails to grounding grid.
  • Supply and install containment oil separation device including, drain, fire quenching stone and outlet drain pit.
  • Structural Works: Supply and install all equipment supporting structures including associated conductor support structures whether supplied or not with equipment. Equipment includes: HV and MV breakers, HV & MV disconnects, HV surge arrestors, HV CVTs, neutral ground reactor and capacitor bank reactors.
  • Electrical Works: Supply and Install Major Equipment as per project BOM.
  • Control Building: Design, fabricate and shop-assemble the substation control building
  • Testing and Commissioning: Complete all preliminary commissioning activities and operational tests on equipment supplied such that equipment is ready to be powered.
  • Demobilization


Project completed ahead of schedule and on budget.