Jee-Seon Lee Partner

Jee-Seon is a commercial lawyer with experience in corporate and regulatory issues and energy and resources projects.

She has broad experience in the energy and natural resources sector advising clients on mining construction and procurement contracting, upstream oil and gas projects to downstream gas and electricity projects and contracting. She has particular experience in the electricity and gas industry including advising on the acquisition and divestments of energy assets including power stations, gas pipelines and associated infrastructure; regulatory regime governing the electricity and gas markets; power station development; gas and electricity supply contracts and access to electricity and gas transmission and distribution systems.

Jee-Seon has had extensive involvement in the electricity and gas reform process in Western Australia, having spent 12 months at Western Power Corporation on secondment and advising the Corporation on its disaggregation and being involved in submissions to the Western Australian Government on a range of energy reform initiatives.

She was the Chairperson of the REMCo Compliance Committee from 2010 to 2013. Jee-Seon is recognised as a leading lawyer in Energy Law by Best Lawyers Australia, 2019.



Alinta Energy

Advising a consortium of bidders on the acquisition of Alinta Energy, in particular, Alinta Energy’s WA assets comprising of Port Hedland/Newman assets and SWIS electricity and gas portfolio.


Advising on its Perth Basin Project including joint venture arrangements, gas and condensate sales, land owner access and compensation issues.

Barossa Joint Venturers (Santos, ConocoPhillips and SK E&S)

Advising on gas processing arrangements through the Darwin LNG plant.

Barrick Gold

Advising Barrick spanning operations in Australia, Africa and PNG on various gold mining joint ventures, farm-in/farm-out arrangements, mining, construction and procurement contracts, electricity, gas and fuel supply contracts and CIF concentrate sales.

Bluewaters Power Station

Advising on Supreme Court proceedings for declaratory relief in relation to outage planning issues under the Wholesale Electricity Market (WA).

Gold Road Resources

Advising on the development of gas-fired power station and gas pipeline to the Gruyere Project.

Infrastructure Capital

Advising on contractual arrangements for its Western Australian assets including the Neerabup and Kwinana Power Stations and its Esperance power and gas business including fuel supply, power purchase agreements, licensing obligations, business restructuring, operation and maintenance contracts.

NewGen Kwinana Power Station

Advising on Supreme Court proceedings in relation to ancillary services costs in the Wholesale Electricity Market (WA).

Newmont Tanami

Advising in relation to the conversion from diesel to diesel-gas fired power generation and gas pipeline for the Tanami mine.

Osaka Gas

Advising Osaka Gas in relation to the acquisition of an interest in the Ichthys Project and an interest from Horizon Oil in the PNG Stanley Gas Project.

Price Review

Advising a buyer on a confidential price review process for a long term commodity contract.


Advising a consortium of bidders on the acquisition of an interest in the BG QCLNG Project which involved due diligence on both upstream and downstream aspects of the BG QCLNG Project.

South Australian Government

Advising on 100MW grid connected Battery Project, tender process and negotiation with successful tenderer, Tesla and Neoen.


Ranked as a leading lawyer in energy, resources & infrastructure (utilities)
Chambers Asia-Pacific, 2020-2021
'has great experience in the Western Australia gas and electricity sector, encompassing power station developments, transactions, and regulation'
Asia Pacific Legal 500, 2021
Dealmaker of the year (finalist)
Lawyers Weekly Women in Law Awards, 2020
Jee-Seon Lee is described as an "incredibly commercial and very practical lawyer, good at seeing where a counterparty's pressure and concession points might be"
Chambers Asia-Pacific, 2020
Recommended in energy and natural resources law
Asia Pacific Legal 500, 2018
Recognised in oil and gas, energy and natural resources law
Best Lawyers, since 2014

Career & qualifications


  • Bachelor of Commerce, University of Western Australia
  • Bachelor of Laws (Hons), University of Western Australia

Insights Read more insight

Aboriginal Heritage Act Reform

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Draft regulations and guideline for the Australian Domestic Gas Security Mechanism

On 27 April 2017, the Commonwealth Government announced that it would implement the Australian Domestic Gas Security Mechanism (ADGSM) to ensure there is a sufficient supply of natural gas to meet...

High Court warns to take care with 'reasonable endeavours' clauses

The case of Electricity Generation Corporation T/As Verve Energy v Woodside Energy Ltd & Ors [2014] HCA 7 (5 March 2014) provides the latest guidance on drafting 'reasonable endeavours'...