Official definition
This Canadian industry comprises establishments primarily engaged in the generation of electricity using hydraulic energy.
Canadian industry
221111 Hydro-electric power generation
Production d'hydroélectricité
Official classification fields for this page
Official classification fields taken from the current StatCan source bundle.
| Characteristic | Description |
|---|---|
| Official title | Hydro-electric power generation |
| Classification | NAICS Canada 2022 Version 1.0 |
| Publishing authority | Statistics Canada |
| Hierarchical level | Canadian industry |
| Parent code | 22111 - Electric power generation |
| International correspondence | D3510* |
| Source | https://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index |
| Source verification | 2026-05-05 |
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
- pumped hydro storage processes
Examples
- hydro-electric power generation
- pumped hydro storage processes
Who is this code for
This code typically applies to:
Also relevant for
Source: STATCAN_TITLE, 2026-05-05
Classification Confidence Score
5 of 6 factors passing
8/ 10
Verified official source — naics-scian-2022-structure-v1-eng.csv (2026-05-05)
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 221111
These role examples come from the official title and example wording attached to this code.
01
221111
Hydro-electric power generation
Use this page when the business is directly described by the official title or definition for 221111 Hydro-electric power generation. It is the closest source-backed checkpoint before BN registration, GST/HST review, banking onboarding, or internal classification work.
02
221111
pumped hydro storage processes
Use this page when the activity is described in the official StatCan example wording as pumped hydro storage processes. Compare the definition, exclusions, and nearby codes here before attaching 221111 Hydro-electric power generation 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
- 221111Hydro-electric power generation
- 221112Fossil-fuel electric power generation
- 221113Nuclear electric power generation
- 221119Other electric power generation
ISIC Rev. 4 correspondence
D3510*Electric power generation, transmission and distribution
Approximate correspondence
Hydro-electric power generation
US NAICS reference221111 - Hydroelectric Power Generation
Source row
221111Hydro-electric power generation
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 221111 cover?
Hydro-electric power generation: This Canadian industry comprises establishments primarily engaged in the generation of electricity using hydraulic energy.
Which level of the hierarchy is 221111?
It is a canadian industry page in the NAICS Canada 2026 hierarchy.
What is the parent of 221111?
It rolls up to 22111 Electric power generation.
Should I stop at 221111 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 221111?
Yes. 1 inclusion note(s) are attached on this page.
Are there exclusion notes for 221111?
No exclusion rows are attached to this page in the local elements file.
Does 221111 include illustrative examples?
Yes. 2 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, Environmental networks.
Is there an ISIC mapping for 221111?
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: Hydroelectric Power Generation.
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.