A too much pessimistic plan in France

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Below there a plan for a Renault Zoé about a travel in France, but this plan is far too pessimistic from the actual travel.

ABRP gives a plan for a duration of 04h06, while the actual traveling I made had a duration of only 03h00 and I had an extra 20% of battery at the arrival.
Most of the travel was on the highway (A11) and my speed was around 100 km/h.
During the travel, the car’s dashboard said the consumption was around 15.0 kWh/100km.

Plan :
https://abetterrouteplanner.com/?plan_uuid=99367f99-3f31-43fe-b94d-e6b2fbbccf67