Energy reform is becoming a dispute risk for Australian energy contracts
Danny Jovica
October 22, 2026
Australia’s energy transition is now moving through the detailed machinery of regulation, not just policy. For mediators, in-house counsel and commercial parties, that means future disputes will increasingly turn on connection costs, market access, compliance obligations, network resilience, gas supply settings and the allocation of risk where rules change mid-project.
September 2026 brought a dense set of developments across electricity and gas markets. The draft regulatory package for the Electricity Services Entry Mechanism and Market Making Obligation has been released, draft ESEM contracts are in consultation, the Domestic Gas Reservation Scheme is progressing through exposure draft legislation, and network reform remains active through the AEMC, AER, AEMO and Western Australian processes.
The commercial pressure points are clear. Large loads such as data centres may face closer scrutiny over network augmentation costs. EV charging rollouts raise questions about the boundary between regulated network services and contestable markets. Gas pipeline regulation is being reconsidered for a transitioning energy system. LNG exporters face a proposed licensing regime from 2028 with domestic supply obligations attached.
These reforms matter because many Australian energy disputes are not caused by a single breach. They arise when commercial assumptions are overtaken by regulatory change: a connection pathway shifts, a cost recovery model changes, a market product is redesigned, a forecast proves unreliable, or a party’s compliance burden expands beyond what the contract contemplated.
For commercial mediation, the immediate lesson is that energy disputes need a structured regulatory map before negotiations begin. Parties should identify which obligations are fixed, which are under consultation, which depend on regulator approval, and which are likely to be affected by final rules in 2026 or 2027. Without that map, negotiations can become positional and speculative.
Mediators should also expect more disputes involving mixed legal, technical and economic issues. Network augmentation, system modelling, reserve capacity, gas rate of return settings and domestic gas supply obligations cannot be resolved by legal argument alone. Effective mediation will often require expert input, agreed issue lists, shared chronologies and a disciplined separation between regulatory risk and commercial risk.
For contracting parties, the practical response is to tighten change-in-law clauses, cost pass-through mechanisms, data-sharing obligations, delay regimes and escalation processes. Long-term energy supply, connection and infrastructure agreements should also deal expressly with consultation outcomes, regulator decisions, stranded asset risk and the consequences of capacity not being used as forecast.
The forward-looking takeaway is simple: Australian energy regulation is becoming a central source of commercial uncertainty, and uncertainty is fertile ground for disputes. Parties that build mediation-ready governance into their contracts now will be better placed to preserve projects, protect relationships and resolve conflicts before they harden into litigation.
If your organisation is managing an energy, infrastructure or regulated-market dispute, contact Mediator Life to discuss a commercially focused mediation pathway: https://mediator.life/contact.
Sources:
- Legal development Australian electricity and gas markets – September 2026 update
September 2026 brought a dense set of developments across electricity and gas markets. The draft regulatory package for the Electricity Services Entry Mechanism and Market Making Obligation has been released, draft ESEM contracts are in consultation, the Domestic Gas Reservation Scheme is progressing through exposure draft legislation, and network reform remains active through the AEMC, AER, AEMO and Western Australian processes.
The commercial pressure points are clear. Large loads such as data centres may face closer scrutiny over network augmentation costs. EV charging rollouts raise questions about the boundary between regulated network services and contestable markets. Gas pipeline regulation is being reconsidered for a transitioning energy system. LNG exporters face a proposed licensing regime from 2028 with domestic supply obligations attached.
These reforms matter because many Australian energy disputes are not caused by a single breach. They arise when commercial assumptions are overtaken by regulatory change: a connection pathway shifts, a cost recovery model changes, a market product is redesigned, a forecast proves unreliable, or a party’s compliance burden expands beyond what the contract contemplated.
For commercial mediation, the immediate lesson is that energy disputes need a structured regulatory map before negotiations begin. Parties should identify which obligations are fixed, which are under consultation, which depend on regulator approval, and which are likely to be affected by final rules in 2026 or 2027. Without that map, negotiations can become positional and speculative.
Mediators should also expect more disputes involving mixed legal, technical and economic issues. Network augmentation, system modelling, reserve capacity, gas rate of return settings and domestic gas supply obligations cannot be resolved by legal argument alone. Effective mediation will often require expert input, agreed issue lists, shared chronologies and a disciplined separation between regulatory risk and commercial risk.
For contracting parties, the practical response is to tighten change-in-law clauses, cost pass-through mechanisms, data-sharing obligations, delay regimes and escalation processes. Long-term energy supply, connection and infrastructure agreements should also deal expressly with consultation outcomes, regulator decisions, stranded asset risk and the consequences of capacity not being used as forecast.
The forward-looking takeaway is simple: Australian energy regulation is becoming a central source of commercial uncertainty, and uncertainty is fertile ground for disputes. Parties that build mediation-ready governance into their contracts now will be better placed to preserve projects, protect relationships and resolve conflicts before they harden into litigation.
If your organisation is managing an energy, infrastructure or regulated-market dispute, contact Mediator Life to discuss a commercially focused mediation pathway: https://mediator.life/contact.
Sources:
- Legal development Australian electricity and gas markets – September 2026 update