How much does it cost to drive 100km (and when is it advantageous to use an electric vehicle)?
The cost of driving 100km. A comparison between electric, gasoline, and diesel vehicles was published on LinkedIn by Emanuele Regalini. As it comes from Arera, the regulatory authority for energy, grids, and the environment, it deserves significant attention.
The cost of driving 100km: only HPC vehicles are more expensive
The comparison is illustrated by the chart reproduced here, showing prices from January 2025 to August 2026. It therefore does not take into account the recent increases in fuel prices, which have been exacerbated for diesel by the end of the state subsidy of 6 cents on excise taxes. In plain terms, by August alone, only HPC fast charging stations were less cost-effective than gasoline and diesel. But let’s hear from Regalini: “Electric mobility versus traditional fuels: are we witnessing a structural shift in charging and refueling costs? Looking at the latest data published by MIMIT (Ministry of Enterprises and Made in Italy) on monthly monitoring of average electric charging prices, some truly interesting trends emerge. These warrant a thorough analysis.”
Rapid charging costs are dropping, while gasoline and diesel remain stable...
Regalini continues by analyzing the chart showing average costs for 100 kilometers of driving (January-25/August-26). Here is his comment:
“Fast and Ultrafast charging costs are constantly dropping: For over a year now, rapid charging prices have shown a downward trend, despite the simultaneous increase in PUN.
Rapid rise in fuel prices: In the past six months, despite discounts on taxes, gasoline and diesel costs have risen sharply. They have even surpassed the cost of slow electric charging (AC).
⚖️ Cost crossover: The cost per 100 kilometers on gasoline has now reached and matched that of fast charging (DC).”
Read also / At one euro per liter…here’s what electric driving costs
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