Stockdill – Williamsdale Line is a 330kV overhead line from Stockdill, Australian Capital Territory, Australia, to Williamsdale, Australian Capital Territory, Australia.

The project, which is currently under construction, is expected to be commissioned in 2021.


Stockdill – Williamsdale Line is an overhead line that will be operated by ActewAGL Retail Investments Pty. The line will carry alternating current (AC) through single circuit cable.

The development of the Stockdill – Williamsdale Line project has been approved by the Australian Energy Regulator.

Stockdill – Williamsdale Line project development status

The construction works on the Stockdill – Williamsdale Line project were commenced in 2019 and commissioning is expected in 2021.

About ActewAGL Retail Investments Pty

ActewAGL Retail Investments Pty Ltd (ActewAGL) is an electricity, gas and solar retailer. The company provides home appliance repairs and services including gas and electric hot water systems, gas central and space heating, switchboard and general electrical wiring, safety switches, smoke detectors and security lighting. Its electrical services include installation of electrical outlets, power points, repair faulty wiring, protect against electrical surges, and install light fixtures and switches. ActewAGL offers training and assessment services for electrotechnology, communications, and energy utilities industry.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.