This is the fourth interim report of the ACCC's inquiry into gas supply arrangements in Australia. The ACCC has continued its focus on the operation of the East Coast Gas Market, where there are immediate and longer-term concerns.

Well-planned dams can bring considerable economic benefits and improve water, food and energy security. They can also have the opposite effect if they are poorly planned or maintained.

The proposed final design of the National Energy Guarantee (NEG) will require retailers to contract for generation or demand response to meet a minimum level of dispatchable ‘on demand’ electricity where there is an identified gap. Retailers must also keep their emissions below an agreed level.

This paper outlines the detailed design of the Commonwealth elements of the National Energy Guarantee (NEG), including feedback received from stakeholders during consultation on the draft design.

Central to the public debate about the National Energy Guarantee (NEG) has been the numerical forecasts of its effects – in particular how much it will reduce power prices.