EV electricity use is still rising: separate vehicle sales from fleet demand

A slower growth rate still means more electricity consumed

EIA's September 30 analysis reports a slowdown in the growth of electricity used by light-duty electric vehicles in the United States. The important distinction is that growth slowed while the amount of electricity consumed continued to rise. A weaker rate of new vehicle sales and a larger operating fleet can coexist; they describe different parts of the transition.

The agency estimates that these vehicles used nearly 14 billion kilowatthours in the first half of 2026, about 8% more than in the second half of 2025. It also reports that new EV sales fell 19% between those same half-year periods. These are sequential half-year comparisons, not year-over-year changes. The release date is September 30, but the consumption period ends in June.

Our interpretation is that electricity-demand research needs a fleet perspective alongside a sales perspective. The release does not establish that a particular automaker, charging provider or utility will earn more. It gives a specific national demand estimate that can help frame the next company-level question. The operating exposure and the financial result still require separate evidence.

Reproduce the comparison from the monthly series

The downloadable Table 7.6 series provides a useful check on the rounded headline. Its EV-use observations sum to 13,668.445 million kilowatthours for January through June 2026. July through December 2025 sum to 12,639.660 million. Dividing the first total by the second and subtracting one gives approximately 8.1%, consistent with EIA's rounded 8% comparison.

In billion kilowatthours, the totals are approximately 13.67 and 12.64. Keeping the unit conversion visible prevents an apparent thousandfold discrepancy between the spreadsheet and an article. The calculation uses six monthly rows in each period; it excludes the separate annual total row. Including that annual row alongside the monthly observations would count some consumption twice.

Save the source version and comparison dates with the calculation. A later download may contain revised estimates. If a number changes, first check for revisions and period differences before describing the change as a new market development. A six-month total should also not be annualized silently: doubling it would be a simple scenario, not EIA's forecast for the full year.

Continue your research with ThesisMemo.

See how ThesisMemo works Explore the product · Start with a free research preview

Vehicle sales are a flow; the operating fleet is a stock

A sales report measures vehicles entering the market during a period. Electricity consumption reflects vehicles already operating as well as new additions. The relationship depends on how many vehicles remain in use, their mileage and the electricity needed for that travel. Slower additions do not automatically mean that the existing fleet shrinks.

Consider a deliberately simplified, hypothetical fleet. It starts with 100 vehicles, adds 10 and retires two, ending with 108. Suppose the preceding period added 15 vehicles. New additions have fallen by one-third, yet the fleet in this example has grown by 8%. These invented counts demonstrate the stock-flow distinction; they are not estimates of the U.S. fleet and do not reproduce EIA's electricity model.

Nor does an 8% increase in the ending fleet mechanically produce 8% more period electricity use. Vehicles added near the end contribute less time on the road than vehicles present throughout. Changes in driving and efficiency also matter. For an automaker, deliveries may be central to a near-term sales question; for a charging business, the usage of an installed fleet may be more relevant. Neither measurement can substitute for the other.

Know what is modeled and what is included

EIA's methodology combines vehicle counts, electrically powered travel and fuel-economy information, including weather adjustments. Recent registrations and travel data can arrive with a lag, so the model uses estimates to bridge missing periods. It is not a direct reading of every charger in the country. The documentation identifies uncertainty from vehicle scrappage, interstate movements and driving patterns, among other inputs.

The published coverage includes battery electric and plug-in hybrid light-duty vehicles. It excludes medium- and heavy-duty on-road EVs and off-road vehicles. Plug-in hybrids can use electricity or gasoline; the electricity estimate does not represent their gasoline consumption. An analysis of electric trucks, buses or industrial equipment therefore needs an appropriate additional source rather than this light-duty total.

For a research notebook, retain four fields: population covered, observation period, estimation method and revision status. Those fields help determine whether another chart is comparable. A company's directly metered charging volume may be precise for its own network but cover a narrower population. Comparing its growth with the national modeled series can be informative only after those differences are acknowledged.

Avoid double counting when connecting EVs to power demand

The Monthly Energy Review explains that utilities classify light-duty EV electricity according to where charging occurs. It is already recorded within residential, commercial and industrial sales. The EV estimate helps identify a use within those broader totals; it is not an additional block of electricity to add on top of them.

For example, a household charging a vehicle does not create two separate deliveries of electricity merely because the same energy appears in both a household category and an EV estimate. This is an accounting distinction with practical consequences for a demand model. Before combining datasets, identify whether they describe mutually exclusive categories or overlapping views of the same activity.

Company analysis also needs geographic and commercial detail. National consumption does not tell you which utility territory supplied it, when charging occurred, how much a charging operator billed or what costs it incurred. Treat those as follow-up questions. The supported takeaway is continued growth in estimated light-duty EV electricity use, at a slower pace. The next useful evidence connects that demand to a specific business without changing the period, population or accounting boundary.

YOUR NEXT STEP

Turn your next headline into a better research question.

Discover a workspace for company research, market context, news and original filings. See how ThesisMemo fits into your research process.

See how ThesisMemo works Explore the product · Start with a free research preview

ORIGINAL SOURCES & FURTHER READING

Research and education, not personalized investment advice. Facts and examples should be read in the context of their stated periods. Follow the original disclosures for the complete record.