In the standard profile (120,000 km/year, 5 years, 85% depot charging) a 40-tonne electric truck costs around €0.90/km, the diesel €1.16/km – including purchase, charging infrastructure, energy, tolls, maintenance, insurance, THG credit and residual value. Break-even comes at a holding period of two years. Every input is a simple multiplication and can be replaced with your own quote.
Commercial tariff ~24 ct, fixed-price supply contract ~19 ct, dynamic tariff with load management ~15 ct, self-generated solar with storage ~11 ct. The subsidised industrial electricity price (~6 ct) applies only to eligible energy-intensive businesses – hauliers generally don't qualify; use it only if the connection runs through an eligible shipper. The shift pattern sets the depot share: 1 shift 85%, 2 shifts 60%, 3 shifts 25%.
The calculator shows cumulative costs for each holding period, each net of the residual value at the time of sale. The crossover point is the break-even. The e-truck's residual value is the biggest unknown: in the standard profile, 5 percentage points shift the break-even by a few months; when the case is tight, by a year or more. There is also a sensitivity analysis for the diesel price.
Diesel: MTS-K/Destatis. Electricity: EPEX Spot, commercial tariffs. Tolls: BALM. Vehicle tax, depreciation: German Federal Ministry of Finance (BMF). THG: quota brokers, estimate. As of September 2026.
Short, concrete answers. Figures from the Electric Hub, as of September 2026.
Antwort
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