Under an index-linked energy tariff, the price paid by the customer comprises several components, including the cost of electricity on the wholesale market and access charges. These charges, which have been in force since June 2021, are regulated tariffs set by the Government to cover the costs of electricity transmission and distribution, and apply to all energy contracts, whether index-linked or fixed-rate.
En el caso de una tarifa indexada, estos peajes también están sujetos a las variaciones horarias establecidas por el sistema de tarifas reguladas (como el PVPC, Precio Voluntario para el Pequeño Consumidor). Esto significa que el coste total de la electricidad refleja no solo las fluctuaciones del mercado mayorista, sino también los cambios en los peajes según las franjas horarias.
The relationship between the index-linked tariff and tolls is therefore direct: tolls are a component added to the final price paid by the consumer and, as they also vary by the hour, they encourage consumption during cheaper, off-peak hours.




