results in an associated forecast 2021 Federal Carbon Charge cost of $551.51 million as detailed at Exhibit B, Tab 2, Schedule 5. Enbridge Gas has included forecast distribution volumes subject to the Federal Carbon Charge for all rate classes within the Union rate zones as detailed at Exhibit B, Tab 2, Schedule 1. The cost estimates are subject to change and are meant to be used for informational purposes only. Customers will be charged the Federal Carbon Charge monthly based on actual billed volumes.

3. FORECAST 2021 FACILITY VOLUMES AND FACILITY CARBON CHARGE COST

• 5. The Union rate zones total 2021 regulated Facility Volume forecast is 144,511 103m3 as detailed at Exhibit B, Tab 2, Schedule 2. This results in an associated forecast 2021 Facility Carbon Charge cost of $4.86 million as detailed at Exhibit B, Tab 2,

  Schedule 5. Facility Volumes are composed of: (i) Company Use Volumes including distribution buildings, boilers/line heaters, and NGV fleet volumes (which are subject to the Federal Carbon Charge under Part 1 of the GGPPA); and (ii) OBPS Volumes which includes compressor fuel (which is subject to the OBPS as Enbridge Gas’s storage and transmission system is a “covered facility” under Part 2 of the GGPPA).

  The forecast 2021 regulated Facility Volume and associated forecast Facility Carbon Charge cost estimate are based on the best available information at this time and are subject to change based on actual Facility Volumes.

  3.1. COMPANY USE VOLUMES

• 6. The regulated Company Use Volume forecast for 2021 including distribution buildings, boilers/line heaters and NGV fleet volumes for the Union rate zones is 18,763 103m3 as detailed at Exhibit B, Tab 2, Schedule 2.2 This results in an

 

 

 

2 Enbridge Gas’s buildings and boiler/line heater fuel volume forecast for the Union rate zones is based on a three-year average of consumption by location. For new buildings with no historical information, a volume estimate is used.