2000

The birth of E.ON Italia coincides with the liberalization of the Italian energy market. In fact, E.ON Italia began furnishing energy in 2000, first to major industrial customers. Since then, the group has acquired and formed numerous companies and acquired equity investments in Italy with a presence, today, divided into several assets.

E.ON Italia Produzione was formed in 2000, for the purpose of producing electric power in Italy. E.ON Italia Produzione started construction on a combined-cycle power plant at Livorno Ferraris, Vercelli.

2003

In 2003 Thüga Italia was created, the Italian branch of Thüga AG, an E.ON company with large equity stakes in industrial partners and minority shares in numerous German public utilities. Over time, Thüga Italia has acquired many small-midsize companies involved in the sale and distribution of gas.

2004

In February 2004 E.ON gained authorization to operate on IPEX, the Italian electric power exchange.

2005

After various operations, the five companies distributing natural gas  in Italy were merged:  Thuega Laghi, Thuega Mediterranea, Thuega  Orobica, Thuega Padana, Thuega Triveneto.

2006

The merger of Co.Gas Vendita, Deltagas Energia, Metanifera Prealpina Com, Metanifera Sommese Vendita, Metano Impianti Energia, Padana Com., S.E.I. Gas Vendita and SIMA.COM resulted in the formation of E.ON Vendita. 

In December 2006 E.ON acquired a 75% equity stake in Dalmine Energie.

2007

In November, the stake in Dalmine Energie was increased to 100%.

2008

January
On 1 January 2008, E.ON combined al the sales, generation and distribution activities into a single market unit, reflecting the strategic importance of Italy to the E.ON group. The E.ON group is composed of ten market units, each with responsibility for commercial activities in the market. The activities of the market unit are coordinated by E.ON Italia S.p.A.

June
On 26 June 2008, the acquisition of 80% of Endesa Italia made E.ON one of the principal players in the Italian energy market. Endesa Italia thus became E.ON Produzione, the generation division of E.ON Italia.

July
The five Thüga distribution companies were rebranded, taking on the names E.ON Rete Laghi, E.ON Rete Mediterranea, E.ON Rete Orobica, E.ON Rete Padana, and E.ON Rete Triveneto.

This  gave ll the E.ON companies in Italy a single image, demonstrating the attention E.ON is focusing on the Italian market, assuming full responsibility for its activities.

On 18 July 2008, the Monfalcone and Calabria power plants were ceded to A2A in exchange for its 20% equity stake in E.ON Produzione. This transaction was concluded on 1 July 2009.

September
On 12 September 2008, the Livorno Ferraris power plant was inaugurated.

October
1 October 2008: another integration step was taken with the conversion of Dalmine Energie into E.ON Energy Trading S.p.A., nucleus of the new trading company in Italy.

The same day, E.ON launched the campaign offering Doppiovantaggio, a proposal for  power and gas in your home with price fixed for two years and a free energy bonus.

December
On 1 December 2008, E.ON announced it was acquiring the remaining 50% of MPE Energia S.p.A. from Fineldo, the holding company of Vittorio Merloni.

E.ON Vendita, through a merger with E.ON Energy Solution, created E.ON Energia effective 1 January.

2009

January
1 January 2009: birth of E.ON Energia S.p.A., the new sales arm of E.ON Italia created from E.ON Vendita and E.ON Energy Solutions. The new sales company provides electric power and natural gas to more than 800,000 customers, households and companies. E.ON further consolidated its position in the Italian market with the recent acquisition of 100% of MPE Energia.

December
E.ON Rete has been created out of the companies: E.ON Rete Laghi, E.ON Rete Mediterranea, E.ON Rete Orobica, E.ON Rete Padana, E.ON Rete Triveneto.