Load change (LC30) is a reduction or increase in electricity consumption effected by the provider of this service within 30 minutes of a dispatcher command. Currently, only electricity consumption reduction, i.e. load shedding, is provided. The reduction in electricity consumption is considered to be positive regulation energy for which the respective LC30 provider is paid. In terms of determining the marginal price for regulation energy, this service is considered to be a special type of TR+.