Publications

Whether you're preparing a school project on electric power in Manitoba or have an interest in a particular aspect of power generation, we have a collection of printed information available free of charge.

Email your request to Public Affairs.

Our Facilities

Converter Stations

• Dorsey
  The southern terminal for Manitoba Hydro's high voltage direct current (HVDC) transmission lines. Read about the importance of HVDC in delivering a reliable supply of electricity to customers. Learn the process of converting electricity from alternating current (AC) to direct current (DC) at the northern converter stations and then converting it back to AC at Dorsey.
• Henday
  The northern terminal for Manitoba Hydro's Bipole II HVDC transmission system. Describes how the northern terminals for Bipoles I and II convert AC power from Kelsey, Kettle, Long Spruce and Limestone generating stations to DC for transmission south to Dorsey Converter Station.
• Radisson
  The northern terminal for Manitoba Hydro's Bipole I HVDC transmission system. See how this terminal converts the AC electricity — produced at the nearby Kettle and Long Spruce generating stations on the Nelson River — to DC electricity for transmission south to the Dorsey Converter Station.

Generating Stations

• Brandon
  Describes how the Brandon thermal generating station operates. Provides an overview of the process involved in producing electricity via thermal generation and outlines the station's importance to the reliability of the provincial system.
• Grand Rapids
  This is the controlling plant for the Manitoba power system. Discover how its units respond to load changes on the system to keep the frequency constant. At the time it was built, the Grand Rapids turbines and generators were the largest of their kind to be built in Canada and the largest installed in North America.
• Great Falls
  In service to Manitobans since 1923, see how Great Falls pioneered a number of design features now considered standard for generating stations. This station produces 132 megawatts.
• Jenpeg
  Jenpeg has some unique construction features and serves as a control structure as well as a generating station. Understand why it is one of the key elements of Manitoba Hydro's system.
• Kelsey
  Built on the upper arm of the Nelson River between 1957 and 1961 to supply electricity to the City of Thompson and Inco's mining and smelting operations. Outlines construction details and historic facts about Henry Kelsey, the explorer after whom the station is named.
• Kettle
  The second largest power plant in Manitoba (second to Limestone). You can read about construction of the station as well as information about HVDC transmission, Lake Winnipeg Regulation, and Churchill River Diversion.
• Limestone
  The fifth, and to date, largest Manitoba Hydro generating station on the Nelson River. Describes the physical size, capacity and construction facts about Limestone.
• Long Spruce
  Its 10 turbine-generator units produce a total of 980 megawatts (MW). Provides a brief outline of the construction and operation of the station, which is located between Kettle and Limestone on the Nelson River.
• McArthur
  Read about the smallest and newest generating station on the Winnipeg River (completed in 1955). It is the largest hydroelectric plant in the world operating on a seven metre head.
• Pine Falls
  Learn about the first project undertaken under the Manitoba Hydro Development Act. It is just upstream from the paper mill in the town of Pine Falls.
• Pointe du Bois
  This is currently the oldest power plant still in operation on the river. Explains how the Pointe du Bois Generating station was built by City Hydro, later known as Winnipeg Hydro, and acquired by Manitoba Hydro in 2002.
• Selkirk
  Originally built in 1960, see why the 121-MW station plays an important role in Manitoba Hydro's electricity system as a back up to the utility's hydroelectric sources. It is one of two thermal generating stations in the southern part of the province. The other is Brandon.
• Seven Sisters
  The largest generating station on the Winnipeg River. Read about the original construction, as well as later rehabilitation to its north dam, powerhouse, spillway and sluiceway.
• Slave Falls
  The powerful Slave Falls and the natural island, which divides the river at the falls, made this location ideal for a power plant. Describes how the builders saved huge sums of money by using the island's granite base as a foundation.

Financial Information

• The Manitoba Hydro-Electric Board Annual Report
  Presents the Corporation's operations and finances as they stand at the end of each of its fiscal years (March 31). It is a corporate report to the utility's shareholders — the people of Manitoba.

  If you would like a copy of the current annual report, email Public Affairs.

• The Manitoba Hydro-Electric Board Quarterly Report
  Updates Hydro's financial picture at the end of each quarter in the corporate fiscal year (April 1 to March 31). Quarterly Reports are issued after three, six and nine months to supplement financial information found in the annual report.

  If you would like a copy of the current quarterly report, email Public Affairs.

General Information

• The Hydro Province
  Illustrates the Nelson-Churchill River Watershed, the total capacity of the Hydro system, and opens to a map which shows the location of all cur rent and potential generating station sites.
• Producing Electricity
  Explains how electricity is generated and describes the process of converting hydraulic energy to electrical energy. Also included are cross-section diagrams of a typical hydroelectric generating station and turbine-generator.

The information items below are only available in print. If you would like a copy of an item listed below, email Public Affairs.

• Churchill River Diversion
  Discusses the history behind diverting the water from Churchill River into the Burntwood and Nelson rivers.
• EMF Questions & Answers
  (Electric and Magnetic Fields Associated with the Use of Electric Power)
  Provides easy-to-read information about electric and magnetic fields, plus practical suggestions to use to reduce exposures at home and work.
  View additional information on EMF.
• Lake Winnipeg Regulation
  Discusses the use of Lake Winnipeg as a natural reservoir and the construction of three channels and the Jenpeg Generating Station and control structure. Also discusses the water levels on the lake Manitoba Hydro's regulation of these levels.
• Transmission and Distribution Systems
  The development of High Voltage Direct Current (HVDC) transmission was one of the most important factors in helping Manitoba Hydro tap into the great hydroelectric potential of the Nelson and Churchill Rivers. What exactly is direct current (DC)? How does it differ from alternating current (AC)? How can AC be converted to DC and back again? These are just a few of the questions you'll find answered in this brochure.