D - Electricity, gas, steam and air conditioning supply | NIC-2025 Section Codes
This section includes the generation, storage, control, distribution, trade and brokerage of electric power or of gaseous fuels for energy supply through a permanent network of lines, mains and pipes. Energy supply for industrial parks or residential buildings is included. This section therefore includes the operation of electricity and gas utilities. The section also includes heating and cooling, e.g. steam and air conditioning supply, through a permanent network.
This section excludes:
Divisions in Section D
Each division narrows Section D into a specific industry area. Open one to reach its groups, classes and NIC codes.
Frequently asked questions
What does Section D cover in NIC-2025?
Section D (Electricity, gas, steam and air conditioning supply) is a top-level sector of NIC-2025. It groups 1 divisions and 24 activity codes that share this broad economic area.
Do I register a business using a section letter?
No. Registrations such as Udyam, GST and company incorporation use the numeric NIC code (4, 5 or 6 digits), not the section letter. The section only tells you which part of the classification to explore. Open a division below to reach the specific code for your activity.
How do I find the exact NIC code inside Section D?
Drill down from a division to a group, then a class, then the sub-class that matches your activity. You can also use the search box to jump straight to a code by activity name. If you are unsure, IncorpX provides assistance for selecting the correct code for your registrations.
Not sure which code under Section D fits your business?
Tell us what your business does and an IncorpX advisor will help you pick the correct NIC code for Udyam, GST, company incorporation and other registrations. Free, with no obligation.

