ROME, Dec. 20 -- Enel issued the following news release:

Starting Sunday, 21 December, more benefits for families with the e-light plans, which freeze electricity prices and provide flat rates for gas

A Christmas surprise is awaiting families who, starting Sunday, 21 December, opt to switch to the free market by subscribing to one of Enel Energia's wholly online offers. Enel Energia is the Enel Group company that sells electricity and gas on the free market.