Articles on Energy demand

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The spillway at the Robert-Bourassa hydroelectric power station in Québec. (Facebook | Eeyou Istchee Baie-James - touristic region)

Why saving power makes economic sense in the transition era

In the face of the energy transition, producing energy will be much more expensive than energy efficiency, which is still largely under-exploited.
Carbon capture and storage projects capture carbon dioxide emissions from industrial facilities and power plants and pipe them underground to geological formations. Nopphinan/iStock/Getty Images Plus

Google plans to power a new data center with fossil fuels, yet release almost no emissions – here’s how its carbon capture tech works

To reduce emissions put into the atmosphere, Google is using carbon capture and sequestration. But not all CCS projects are the same.
Kearny Generating Station, a former coal-fired baseload power plant, now a gas-fired peaker, on the Hackensack River in New Jersey. Jim Henderson/Wikipedia

Utilities rely on dirty ‘peaker’ plants when power demand surges, but there are alternatives

As renewables account for a growing share of electricity supply, fossil fuel plants are increasingly used to balance fluctuations in renewable generation – emitting health-threatening pollutants.
The control room of the California Independent System Operator, which manages the flow of electricity on the state’s power grid. Rolf Schulten/ullstein bild via Getty Images

What is curtailment? An electricity market expert explains why states sometimes have too much wind or solar power

Sometimes wind and solar power produce more electricity than the local grid can handle. Better energy storage and transmission could move extra energy to where it’s needed instead of shutting it off.
The Los Angeles Department of Water and Power’s Pine Tree Wind Farm and Solar Power Plant in Tehachapi, Calif., 115 miles from LA. Irfan Khan / Los Angeles Times via Getty Images

The US needs a macrogrid to move electricity from areas that make it to areas that need it

The US electricity grid is actually five regional grids, and it’s hard to share power between them. A macrogrid could bridge the gaps, making electricity cheaper and more reliable.

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