
Planning and Development Act 2005
Planning and Development (Significant Development) Amendment Regulations 2026
Western Australia
Planning and Development (Significant Development) Amendment Regulations 2026
Contents
1.Citation1
2.Commencement1
3.Regulations amended1
4.Regulation 5A inserted1
5A.Mandatory significant development (s. 171I(2))1
5.Part 5 inserted3
Part 5 — Transitional provision
19.Transitional provision for Planning and Development (Significant Development) Amendment Regulations 20263
Planning and Development Act 2005
Planning and Development (Significant Development) Amendment Regulations 2026
Made by the Governor in Executive Council.
These regulations come into operation as follows —
(a)regulations 1 and 2 — on the day on which these regulations are published on the WA legislation website;
(b)the rest of the regulations — on 5 October 2026.
These regulations amend the Planning and Development (Significant Development) Regulations 2024.
At the end of Part 1 insert:
5A.Mandatory significant development (s. 171I(2))
(1)In this regulation —
ammonia production facility means premises used for the production, and any associated storage or transportation, of ammonia;
battery facility means premises used for the operation of a battery system that —
(a)receives energy in the form of electricity; and
(b)stores the received energy in a battery; and
(c)discharges the stored energy in the form of electricity;
hydrogen production facility means premises used for the production, and any associated storage or transportation, of hydrogen;
premises has the meaning given in the Planning and Development (Local Planning Schemes) Regulations 2015 Schedule 2 clause 1;
renewable energy facility means premises used for the generation of electricity from 1 or more renewable sources of energy;
transmission system has the meaning given in the Electricity Industry Act 2004 section 3(1).
(2)For the purposes of section 171I(2) of the Act, prescribed significant development is mandatory significant development for the purposes of section 171L(2) of the Act if —
(a)the development is not in an area to which the Swan Valley Planning Scheme applies; and
(b)the development includes 1 or more of the following (each a relevant facility) —
(i)an ammonia production facility;
(ii)a battery facility;
(iii)a hydrogen production facility;
(iv)a renewable energy facility;
(v)a transmission system;
and
(c)the estimated cost of the development of the relevant facility or facilities is $20 million or more.
After regulation 18 insert:
Part 5 — Transitional provision
19.Transitional provision for Planning and Development (Significant Development) Amendment Regulations 2026
Regulation 5A does not affect a development application made before 5 October 2026.
A. O’SULLIVAN, Clerk of the Executive Council
© State of Western Australia 2026. This work is licensed under a Creative Commons Attribution 4.0 International Licence (CC BY 4.0). To view relevant information and for a link to a copy of the licence, visit www.legislation.wa.gov.au. Attribute work as: © State of Western Australia 2026. By Authority: ANDREW JONES, Government Printer