The simplest model for day ahead forecasting is to ask each generation source to bid on blocks of generation and choose the cheapest bids. If not enough bids are submitted, the price is increased. If too many bids are submitted the price can reach zero or become negative. The offer price includes the generation cost as well as the transmission cost, along with any profit. Power can be sold or purchased from adjoining power pools.
Residents of California paid an average of 19.65 cents per kilowatt hour (kWh) for their electricity in July, one of the highest rates in the country and well above the U.S. average of 13.12 cents/kWh. However, they use an average of 547 kWh per month, well below the U.S. average of 897. That leaves the state with a Choose Energy Price Index score of 92.9, which places it 17th nationally.
The UK has been a net importer of energy for over a decade, and as their generation capacity and reserves decrease the level of importing is reaching an all-time high. Their fuel price's dependence on international markets has a huge effect on the cost of electricity, especially if the exchange rate falls. Being energy dependent makes their electricity prices vulnerable to world events, as well.
Even though customers in deregulated Texas markets routinely pay more for electricity, there is a bright spot. The gap between the average price paid for electricity between deregulated and regulated market has shrunk to 8.8 percent. In 2006, customers in deregulated cities were paying nearly 47 percent more for electricity than their counterparts in regulated cities.
Dallas area residents now have the option for choosing their electric provider. However, with all of the different plans that are available, it can be difficult to make the right decision for your particular electricity needs. You may find yourself overwhelmed by the number of options presented to you by all the electric company advertisements or concerned about shady marketing gimmicks.