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Report: Rapid US grid expansion could rival largest US system

?U.S. ICF International, a global consulting firm, said that the rapid expansion of the electric grid could add another grid to the size of America's largest regional power system in 2030.

ICF, a Reston-based Virginia company, forecasts that the U.S. will add 445 gigawatts of capacity by 2030. Grid expansion is accelerating at an alarming rate as data centers, heat pumps and electric vehicles compete for power plants and transmission line access.

It is equivalent to 191 GW on a peak demand basis, as intermittent wind and solar energy cannot be dispatched?on-demand. This is approximately equivalent to the PJM Interconnection - the largest U.S. Regional Grid - with a generation capability of around 185 GW. It serves 67,000,000 customers in the South & Mid-Atlantic.

Himali Parmar is vice president for energy markets at ICF.

According to ICF, the U.S. patchwork grid of seven regional 'electric grids' has limited capacity for rapid growth between 2030 and now.

According to analysts, grid operators, and CEOs of electric utilities, there is uncertainty about how quickly data centers, electric cars, and electrified heat will scale. Also, supply chain constraints, permitting delays, and changing state and federal regulations continue to shape timelines for the new generation.

ICF's study estimates that there is only 26 GW excess capacity over minimum reliability requirements, or roughly 3% of the total U.S. power capacity. ICF stated that there was 'no spare capacity in the fastest-growing markets of Texas and PJM to meet new demand beyond this year.

According to industry analysts, spending on upgrading the creaky U.S. Grid could exceed $1 trillion in the next decade.

(source: Reuters)