EPSCA Electrical Power Systems Construction Association


The Electrical Power Systems Construction Association (EPSCA) was established in 1972. The Association negotiates and administers construction trade collective agreements on behalf of employers performing construction industry work for the Bulk Electrical System on Ontario Power Generation Inc., Bruce Power LP and Hydro One property.

EPSCA has collective agreements with the following building trades:

  • Boilermakers
  • Bricklayers
  • Carpenters
  • Cement Masons
  • Electrical Workers (IBEW)
  • Insulators
  • Iron Workers
  • Labourers (International)
  • Millwrights
  • Operating Engineers
  • Painters
  • Pipefitters and Plumbers (United Association)
  • Plasterers
  • Rodmen
  • Roofers
  • Sheet Metal Workers
  • Tile and Terrazzo
  • Teamsters

The EPSCA organization consists of a Board of Directors composed of six owner Directors and twelve contractor Directors. They are either appointed, in the case of the owner Directors, or elected, in the case of the contractor Directors, at an annual general meeting which is open to all members. Membership is voluntary and for information about becoming a member, please call our office for further information.


Day-to-day administration of the EPSCA collective agreements is performed by EPSCA representatives who are located throughout the Province (See EPSCA Contact Directory).

Most EPSCA contacts can be reached through the EPSCA Fund Administrator (See Contact Us).

Latest News

EPSCA Association Fee Change
Please read the attached

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