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Table 1 Attributes and levels of the DCE for an expected average electricity consumption of 3500 kWh year−1

From: Analyzing German consumers’ willingness to pay for green electricity tariff attributes: a discrete choice experiment

Attributes Levels Units
Green energy source Solar, biogas, wind, renewable energy-mix [45% wind, 25% biomass (15% biogas), 20% solar, 10% hydro power]
Share of green energy 40; 60; 80; 100
1400; 2100; 2800; 3500
% of the new tariff
kWh year−1
Switching bonusa 30; 60; 90; 120 Euro (€)
Price guarantee 0; 6; 12 Months
Tariff price (incl. switching bonus and fees)b 70; 75; 80; 85
770; 825; 880; 935
22.0; 23.5; 25.1; 26.7
Euro month−1
Euro year−1
Ct kWh−1
  1. Source: author’s elaboration
  2. aThe switching bonus refers to a contract term of 12 months. It is a one-time payment that is paid as a discount on the annual tariff price
  3. bThe tariff price refers to a contract term of 12 months. Bonus payments are already included in the annual tariff price