Articles on Power 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.
The price of new-build renewable energy is expected to fall significantly relative to new-build coal energy in coming years. AAP Image/Lucy Hughes Jones

Renewables will be cheaper than coal in the future. Here are the numbers

The price of renewable energy will fall significantly relative to new-build coal in coming decades, making an all-renewable electricity system more desirable, both economically and environmentally.
A man fixes electric wires in the Lagos Island district. Nigeria has serious power challenges made worse by the way the sector is regulated. Reuters/Akintunde Akinleye

Conflicting laws keep Nigeria’s electricity supply unreliable

The centralised regulation of electric power in Nigeria is stalling progress in the sector. To achieve stable power supply, the country must obey its constitution and decentralise regulation.
A tanker ship heads into Liverpool harbour as a pilot boats heads out. In the background. In the background, the Burbo Bank wind farm. While new facilities have increased capacity, the UK currently imports 6% of its electricity. Andrew/Flickr

‘Energy Brexit’: What are the consequences on both sides of the Channel?

A year after Brexit, experts from the Grenoble École de Management and the Centre for European Economic Research look at what impacts the UK's leaving the EU could have on energy prices and security.
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.
Hazelwood power station worker Trevor Birkbeck stands on a property near the power station in Victoria, 2011. David Crosling/AAP

Hazelwood’s closure calls for a rethink on Latrobe Valley solutions

Past attempts to help Latrobe Valley workers weather economic changes haven't made a difference, so the closure of Hazelwood presents a challenge.
Can Kangaroo Island’s pioneering spirit be harnessed in the push for renewable energy? Dider B/Wikimedia Commons

Kangaroo Island’s choice: a new cable to the mainland, or renewable power

Kangaroo Island's electricity link to the mainland needs replacing. But a new analysis shows that for roughly the same price, the island could move to independent, local renewable energy sources.
Thinking of going solar? Prices are approaching the cost of grid electricity, but only in some places – so far. joncallas/flickr

When will rooftop solar be cheaper than the grid? Here’s a map

When will residential solar be cheaper than the cost of power from the grid? This point of 'grid parity' is a moving target but moving closer in a number of places.
Supreme Court ruling allows consumers and businesses to make money by reducing power and other grid services. wilks_photography/flickr

The Supreme Court saves the smart grid, but more battles loom

An obscure Supreme Court ruling paves the way for people and businesses to earn money with distributed energy technologies.

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