Articles on electricity grid

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Grid operators set the prices for energy markets and are structured to take the lowest prices – a disadvantage for coal and nuclear power.

The pull of energy markets – and legal challenges – will blunt plans to roll back EPA carbon rules

Two moves by the Trump administration signal a dramatic shift in energy policy to favor coal and nuclear, but markets forces and legal challenges mean changes could take years.
Pumped hydro: all you really need is some reservoirs and a big hill. AAP Image/Lukas Coch

Want energy storage? Here are 22,000 sites for pumped hydro across Australia

Electricity storage is vital to the stability of a renewable energy grid. The world's favourite form of storage is pumped hydro – and researchers have located thousands of candidate sites.
Hurricanes Harvey and Irma caused widespread power outages. AP Photo/Eric Gay

Should the US put power lines underground?

Would putting power lines underground avoid hurricanes knocking out electricity service for millions of people? The answer is not as straightforward as it seems.
Coal power has long been a mainstay of the electricity system but has lost share as natural gas prices have gone down. John Fowler

Do coal and nuclear need a helping hand? 5 essential reads

The Department of Energy's review of the electricity grid finds natural gas, rather than renewables, has hurt coal and nuclear power. But that's only half the story of the changes underway.
Lessons from the Lone Star State: A surge in wind power on the Texas grid didn’t cause reliability problems (and brought down electricity prices) because regulators improved the efficiency of wholesale electricity markets. Sarah Fields Photography/Shutterstock.com

Are solar and wind really killing coal, nuclear and grid reliability?

Energy Secretary Rick Perry wants to know if wind and solar are compromising the reliability of the grid and hurting coal power. The answer lies in his home state of Texas.
Western Australia’s largest private solar array covers the roof of this food distribution centre in Perth’s south. AAP Image/Bidvest

Five things the east coast can learn from WA about energy

Despite its name, the National Electricity Market doesn't reach WA. But those charged with guiding the eastern states' energy transition should look west once in a while.
Just think of it as a battery that can also take you to the shops. Steve Jurvetson/Wikimedia Commons

How electric cars can help save the grid

By boosting the demand for energy from the grid, electric cars could help create an incentive for more renewable energy investment, while smoothing over issues with supply and demand.
SA energy minister Tom Koutsantonis (left) and Premier Jay Weatherill have outlined their vision for the state’s electricity. AAP Image/David Mariuz

South Australia’s energy plan gives national regulators another headache

South Australia is investing $550 million in a plan to improve the reliability of its electricity. But the side-effect is that the National Electricity Market will now be even harder to run.

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