Each line is one tariff's yearly bill across every possible consumption. The yellow marker is your year. Type the two prices from any offer and see where it crosses Vattenfall's Berlin default tariff.
Average yearly use in a flat (Stromspiegel), gas or district heating for hot water:
Default tariff: Vattenfall Berlin Basis (Grundversorgung) from 1 April 2026, 37.93 ct/kWh and €13.40 a month, gross, checked on 19 September 2026. Household averages: Stromspiegel. Offer A starts with example numbers only; overwrite them with the prices on your offer. Yearly cost = kWh × price per kWh + 12 × monthly base price, minus the bonus in year one.