Official definition
This Canadian industry comprises establishments primarily engaged in the transmission of electric power from the generating source to the distribution centre, or in transmission and distribution.
Canadian industry
221121 Electric bulk power transmission and control
Transport et gestion d'électricité en bloc
Official classification fields for this page
Official classification fields taken from the current StatCan source bundle.
| Characteristic | Description |
|---|---|
| Official title | Electric bulk power transmission and control |
| Classification | NAICS Canada 2022 Version 1.0 |
| Publishing authority | Statistics Canada |
| Hierarchical level | Canadian industry |
| Parent code | 22112 - Electric power transmission, control and distribution |
| International correspondence | D3510* |
| Source | https://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index |
| Source verification | 2026-08-13 |
Canada-wide tax and filing context
Canada-wide business, tax, and filing context from the local country pack and tax pack.
| Characteristic | Description |
|---|---|
| Tax authority | Canada Revenue Agency (CRA) |
| Business identifier | Business Number (BN): 9-digit identifier with program account suffixes such as RT0001 for GST/HST, RP0001 for payroll, and RC0001 for corporate income tax. |
| Filing requirements | Business Number registration; Form T2125 (Statement of Business or Professional Activities) attached to T1; Form T2 (Corporation Income Tax Return); Form T5013; Form GST34 |
| Sector authority | No cluster authority recorded in the local country pack. |
Inclusions
- transmission lines and the transformer stations that are integral to transmission
Examples
- electric power control (e.g., arranging transmission between utilities)
- transmission of electric power
- electric power control (e.g., arranging transmission between utilities)
- transmission lines and the transformer stations that are integral to transmission
- transmission of electric power
Who is this code for
This code typically applies to:
Also relevant for
electric power control (e.g., arranging transmission between utilities)transmission of electric power
Source: STATCAN_TITLE, 2026-08-13
Classification Confidence Score
5 of 6 factors passing
8/ 10
Verified official source — naics-scian-2022-structure-v1-eng.csv (2026-08-13)
International crosswalk — ISIC Rev. 4 mapping: D3510*
Previous edition migration — NAICS 2017 to 2022 continuity confirmed
Complete hierarchy — 5 levels confirmed in hierarchy
Size or threshold documented — SME thresholds documented in federal tax pack
Trade or export match — No direct HS code correspondence in current bundle
Legacy crosswalk — Legacy system (SIC 1980) retired in this region
Business Profiles
When you might need code 221121
These role examples come from the official title and example wording attached to this code.
01
221121
Electric bulk power transmission and control
Use this page when the business is directly described by the official title or definition for 221121 Electric bulk power transmission and control. It is the closest source-backed checkpoint before BN registration, GST/HST review, banking onboarding, or internal classification work.
02
221121
electric power control (e.g., arranging transmission between utilities)
Use this page when the activity is described in the official StatCan example wording as electric power control (e.g., arranging transmission between utilities). Compare the definition, exclusions, and nearby codes here before attaching 221121 Electric bulk power transmission and control to a business file.
03
221121
transmission of electric power
Use this page when the activity is described in the official StatCan example wording as transmission of electric power. Compare the definition, exclusions, and nearby codes here before attaching 221121 Electric bulk power transmission and control to a business file.
Business categories in this branch
A rotating set of business activity examples linked to this part of the Canadian hierarchy.
In this section
- 221121Electric bulk power transmission and control
- 221122Electric power distribution
ISIC Rev. 4 correspondence
D3510*Electric power generation, transmission and distribution
Approximate correspondence
Electric bulk power transmission and control
US NAICS reference221121 - Electric Bulk Power Transmission and Control
Source row
221121Electric bulk power transmission and control
This page mirrors the source row from the structure CSV and the matching rows from the elements and crosswalk files.
Frequently asked questions
What does code 221121 cover?
Electric bulk power transmission and control: This Canadian industry comprises establishments primarily engaged in the transmission of electric power from the generating source to the distribution centre, or in transmission and distribution.
Which level of the hierarchy is 221121?
It is a canadian industry page in the NAICS Canada 2026 hierarchy.
What is the parent of 221121?
It rolls up to 22112 Electric power transmission, control and distribution.
Should I stop at 221121 or go lower?
This page already points to the exact six-digit Canadian industry in the current site structure.
Are official inclusion notes attached to 221121?
Yes. 1 inclusion note(s) are attached on this page.
Are there exclusion notes for 221121?
No exclusion rows are attached to this page in the local elements file.
Does 221121 include illustrative examples?
Yes. 5 example row(s) are available for boundary checking.
What kinds of businesses often start from this page?
Examples in this branch include Gas supply, Water systems, Power distribution, Utility maintenance, Wastewater networks.
Is there an ISIC mapping for 221121?
Yes. The page shows D3510* Electric power generation, transmission and distribution.
Does this page show a US NAICS reference?
Yes. A same-code US reference is attached: Electric Bulk Power Transmission and Control.
Why are both English and French titles shown?
NAICS Canada is bilingual, so the page keeps both language titles visible for comparison and lookup.
Where does the page text come from?
From the local StatCan structure file, elements file, ISIC crosswalk, and the bundled US 6-digit reference workbook.