Oven Mountain Pumped Hydro


Prospective pipeline

Credibly proposed


Under procurement

Preferred bidder announced

Recently closed
Oven Mountain Pumped Hydro

Prospective pipeline

Greenfield (construction) or brownfield (government asset divestment) projects needed or likely to occur within the next five years, but is not formally proposed by a state, territory or major local government.

Credibly proposed

The project or divestment is supported by a state, territory or major local government, is subject to studies or other processes (such as pre-feasibility or scoping studies or business case development), and is likely to proceed to formal announcement.   


The project has a firm commitment and timeline from a state, territory or major local government, but has not yet entered the market.

Under procurement

The project or transaction is under procurement (such as a call for Expressions of Interest, requests for tender, or another offer to the market).

Preferred bidder announced

A preferred bidder has been selected and is in exclusive negotiations.

Recently closed

Projects that have progressed to contractual close remain on ANZIP for 12 months.

ANZIP is focused only on major infrastructure activity, above the following thresholds:


Construction projects: > AUD$300m

Investable greenfield & brownfield: > AUD$100m

New Zealand

All greenfield and brownfield projects and divestments: > NZD $100 million

STATUS: Credibly proposed
SECTOR: Energy
TYPE: Greenfield

Project Scope

The Oven Mountain Pumped Hydro Energy Storage project is a proposed 600 megawatt ‘off river’ facility located on private land near the Macleay River between Armidale and Kempsey in the New England region of NSW.

The project is being overseen by Oven Mountain Pumped Storage Pty Ltd (OMPS) who have partnered with Alinta Energy to co-develop the project. It is located within the New England Renewable Energy Zone.

The facility is expected to provide up to 12 hours of storage capacity. The project will include the construction of two reservoirs, tunnels and a new underground power station. As part of the project, upgrades to up to 60 kilometres of existing roads between Armidale and Kempsey will be required to allow for safe construction and operation access.



Key Dates

Apr 2020: ARENA provided funding for project feasibility study




Federal Government:

In April 2020, ARENA contributed $951,000 to a feasibility study.



Project History

Oct 2020: The NSW Government declared the project 'Critical State Significant Infrastructure'.

Apr 2020: ARENA provided $951,000 for a feasibility study.

Last reviewed: 16/10/2020

Presented by

Government sponsors


Supporting agencies