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British Columbia: Planned Generation and Transmission Capacity [free access]

April 9, 2021

As per the National Energy Board’s (NEB) Energy Futures projections, British Columbia is expected to add close to 3.1 GW of generation capacity during 2021-30, with the majority of additions expected to be via hydro/wave/tidal sources, followed by wind and solar-based energy. The majority of the addition, or 79 per cent, is expected to be hydro-based, followed by renewables-based generation (solar and wind) accounting for 13 per cent, while the rest will be accounted for by biomass/geothermal and natural gas. During 2021-30, solar-based power generation is expected to grow at a CAGR of 21.2 per cent, while wind is expected to add close to 180 MW of power generation capacity.

 

Figure 1: Planned generation capacity addition 2021-30 (MW)

 Note: Renewable include wind and solar, Others include natural gas and oil

Source: National Energy Board’s (NEB) Energy Futures projections

 

Some of the key planned transmission projects in the province include the 500 kV Site C Transmission Project, the 287 kV Terrace to Kitimat Transmission Project, and the 230 kV Peace Region Electricity Supply (PRES) Project.

 

Table 1: Key planned transmission projects

Name of project

Voltage (kV)

Length (km)

Scheduled completion

Status

Peace Region Electricity Supply (PRES) Project

230

58

2021

Under construction

Site C Transmission Project

500

150 (two lines of 75 km each)

2020

Under construction

Terrace to Kitimat Transmission Project

287

Refurbishment of existing line

2023

Under development

West Kelowna Transmission Project

138 kV or combination of 138 kV and 25 kV

NA

To be decided

Under planning

Bridge River Transmission Project

NA

Upgrade of existing line

2023-25

Under planning

Source: Global Transmission Research