Energy

McClaughry: More reserve power needed to keep grid reliable

by John McClaughry

The Independent System Operator – ISO – manages the New England power grid. One if its greatest concerns is maintaining the reliability of the power grid.

We all tend to think that there’s a 24/7 assurance of there being electricity behind the wall outlet throughout the year. That was a good bet when our power came from coal, oil, hydro and nuclear. Nuclear is the most reliable, with a vast amount of fuel powering the reactor for 18 months at a stretch, with over 90% reliability. Most of the remaining 10% comes from refueling outages planned long in advance.

In July ISO announced that the reserve margin on the New England system may need to increase from about 15% to 300% by 2040 in some scenarios, as more renewables are added and dispatchable generation is retired to meet state clean energy goals, according to a report from the grid operator…….. – Read the rest at Ethan Allen Institute website

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