Enbala Blog

The Growing Impact of System Loss

By Malcolm Metcalfe on Apr 14, 2020 9:45:00 AM

The US Energy Information Administration (EIA) suggests that the multi-year historical average for transmission and distribution losses in the US power grid are approximately 5% annually (average of annual losses in 2014 through 2018).

More recent data for 2018 suggests that the loss has increased to 6.6%, which, by any account,is significant. Put in perspective, the actual loss in 2018 amounted to 275 TWh. The average retail price of electricity in 2018 was $105.30/MWh, meaning that this loss was valued at $29 billion. The increase in loss from about 5% to more than 6.6% has resulted in increased costs of loss by almost $7 billion.

What is causing the increased loss, and what, if anything, can be done to manage it?

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Topics: T&D system loss

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