Author
Andrew Stock
is a Climate Council Expert. He is a former Origin Energy executive,
with more than 40 years’ experience in senior energy executive
roles.
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Coal is king no longer. Unable to compete on cost with renewable energy, it is also inflexible, ageing, inefficient and polluting.
Eraring power station, which owner Origin Energy has said will
close seven years early in 2025. Credit: Dean Sewel |
As a senior executive for over 10 years at Origin, I was responsible for the development of its power generation fleet, gas, wind and solar. In the early 2000s, before global emissions ballooned on the back of coal and gas expansions, gas power was seen as a transition pathway to renewables.
Even then, though, I thought Origin’s foray into coal power was a step too far in the face of climate change science, and stayed well clear of it.
After a decade of coal ownership, it looks like the current board and CEO have finally seen the light.
Energy
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The market operator, AEMO, foreshadowed earlier coal closures at the end of 2021 in its draft Integrated System Plan.
By giving three to four years’ notice, Origin is ensuring the market has the time needed to build out more renewables and storage to replace Eraring’s capacity and energy. Although, last year, the Eraring station ran at only 50 per cent capacity factor.
Big batteries can be delivered in less than a year, large solar and wind farms in less than two, and there is no shortage of players willing to invest the capital to deliver these projects.
Origin itself has said it will add a 700 megawatt battery at the Eraring site and could double capacity of its pumped hydro station at Shoalhaven.
AGL is doing the same, adding renewables and storage to cover the progressive closure of its Torrens A gas power station in South Australia, and its Liddell coal power station in NSW.
Energy production in 2021 |
*South West Interconnected System only
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This includes the new Hunter-Central Coast Renewable Energy Zone (REZ), which aims to provide 100 terawatt hours of power by the mid 2020s. That is almost double the generation of NSW’s entire coal fleet.
The new Hunter REZ is just one of four proposed renewable energy zones in the state.
Provided that extra new renewable capacity and storage is in place and operating before coal closures, there is every reason to believe the transition away from coal in NSW will deliver cheaper power to consumers.
That is what happened in my home state of South Australia.
The state now routinely has the cheapest wholesale power prices in the National Electricity Market, and the cleanest grid of any mainland state. Meanwhile, gas in SA is in steep decline, as it is across much of the national electricity system.
Origin has made a commercial decision and says it is positioning for a global clean energy future. However, it has a long way to go after Eraring closes, as it still seeks to expand its gas fracking in places like the NT’s Beetaloo Basin, Canning in Western Australia and its coal gas in Queensland.
Energy
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Hopefully Origin will soon realise the folly of continuing to sink shareholder funds into these carbon-intensive gas developments, ones that the traditionally conservative International Energy Agency says have no place in the world’s energy future.
Australia has the natural resources to become a world leader in renewable energy, as well as industries such as clean manufacturing, minerals processing and renewable hydrogen.
Generations of Australians could work in these clean industries.
Links
- (AU SMH) Origin Energy To Bring Forward Closure Of Australia’s Largest Coal-Fired Power Plan
- Origin Energy to shut Australia's largest coal-fired power plant, Eraring Power Station, by 2025
- Australia’s largest coal-fired power station, Eraring, to close in 2025, seven years early
- (RenewEconomy) Coal Power Plants Are Killing Millions With Air Pollution And Must Be Closed, Research Find
- (AU The Guardian) Solar Power In Australia Outstrips Coal-Fired Electricity For First Time
- (AU The Age) ‘We Need More Urgency’: Top Renewable Group Warns Against Paying To Keep Coal Alive
- (AU The Conversation) Paying Australia’s Coal-Fired Power Stations To Stay Open Longer Is Bad For Consumers And The Planet
- (AU) Coal’s Retreat As Renewables Surge Is A Shock, But Not A Surprise
- (AU) Renewable Energy Boom Could Force Coal Power To Close Early, Says New Report
- (AU) Under Pressure: Coal-Fired Power Plants Feel The Heat From Renewables
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