{
  "name": "ev_charging_cost",
  "title": "EV charging cost per 100 km and break-even with fuel cars",
  "url": "https://cars.allo.land/ev-cost/",
  "url_de": "https://cars.allo.land/de/ev-cost/",
  "description": "What 100 km costs in an electric car at a given price per kWh, and the electricity price at which it costs the same as a petrol or diesel car. Fuel cars to compare with are Germany's most registered new models of 2025 with real-world consumption, plus an optional own car. All inputs are URL query parameters, so a filled-in link reproduces the view.",
  "formula": "ev_cost_per_100km = kwh_per_100km * (1 + loss / 100) * p; fuel_cost_per_100km = litres_per_100km * fuel_price; break_even_p = fuel_cost_per_100km / (kwh_per_100km * (1 + loss / 100))",
  "parameters": {
    "car": { "type": "string", "default": "Volvo EX30", "description": "Electric car name. A known name also sets lv from the built-in estimates.", "examples": ["Volvo EX30", "Tesla Model Y", "VW ID.3"] },
    "lv": { "type": "string", "default": "14.5,16,19.5,22", "description": "Four consumption levels in kWh/100 km, comma separated: efficient, typical, motorway 120 km/h, winter." },
    "use": { "type": "integer", "default": 1, "description": "Which level the answer uses: 0 efficient, 1 typical, 2 motorway, 3 winter." },
    "p": { "type": "number", "default": 0.35, "unit": "EUR/kWh", "description": "Electricity price." },
    "loss": { "type": "number", "default": 10, "unit": "%", "description": "Charging losses between plug and battery." },
    "petrol": { "type": "number", "default": 2.11, "unit": "EUR/L", "description": "Petrol price. Defaults to the latest German average (EU Weekly Oil Bulletin when available, else ADAC monthly average)." },
    "diesel": { "type": "number", "default": 2.26, "unit": "EUR/L", "description": "Diesel price, same source as petrol." },
    "refs": { "type": "string", "default": "golf,troc,tiguan,octavia,cx30,cx5", "description": "Fuel cars to compare with, comma separated ids.", "enum": ["golf", "troc", "tiguan", "corsa", "octavia", "passat", "cx30", "cx5"] },
    "own": { "type": "string", "description": "Your own fuel car as litres_per_100km,fuel, for example 6.2,petrol or 5.5,diesel. Omit for none." }
  },
  "fuel_cars": {
    "golf": "VW Golf 1.5 TSI, petrol, 6.5 L/100 km",
    "troc": "VW T-Roc 1.5 TSI, petrol, 7.0 L/100 km",
    "tiguan": "VW Tiguan 2.0 TDI, diesel, 6.5 L/100 km",
    "corsa": "Opel Corsa 1.2, petrol, 5.8 L/100 km",
    "octavia": "Skoda Octavia 2.0 TDI, diesel, 5.3 L/100 km",
    "passat": "VW Passat 2.0 TDI, diesel, 5.8 L/100 km",
    "cx30": "Mazda CX-30 2.5 e-Skyactiv G, petrol, 7.0 L/100 km",
    "cx5": "Mazda CX-5 2.5 e-Skyactiv G, petrol, 7.8 L/100 km"
  },
  "sources": {
    "fuel_car_models": "KBA new registrations 2025 by model series, plus Mazda CX-30 and CX-5",
    "fuel_car_consumption": "Real-world averages rounded from owner logs on spritmonitor.de",
    "fuel_prices": "https://cars.allo.land/data/fuel-prices/latest.json (European Commission Weekly Oil Bulletin, CC BY 4.0); fallback ADAC monthly average October 2026",
    "charging_prices": "https://cars.allo.land/data/charging-prices/latest.json"
  },
  "cars": "https://cars.allo.land/ev-cost/calc.js",
  "legacy_parameters": "fl (L/100 km) and fp (EUR/L) from older links become own=fl,petrol and petrol=fp.",
  "example": "https://cars.allo.land/ev-cost/?car=Volvo%20EX30&use=1&p=0.59&loss=10&refs=golf,tiguan&own=6.2,petrol"
}