UPDATE 2-Deals of the day -- mergers and acquisitions

** Germany's E.ON (EONGn.DE), the world's largest utility, is set to sell its German power grid, four people with knowledge of the matter told Reuters. [ID:nWEA9537]

** Deutsche Boerse AG (DB1Gn.DE) placed a final bid for a controlling stake in the Warsaw Stock Exchange from the Polish government, the German operator said. [ID:nL6466933]

** Turkish energy firm Aksa Elektrik submitted the highest bid of $227 million for Turkey's Coruh electricity distribution grid in a tender broadcast live on television. [ID:nIST006148]

** A founder of part of payment-processing business RBS WorldPay is interested in buying all of the business back from Royal Bank of Scotland (RBS) (RBS.L) after European competition authorities told the UK bank to sell it. [ID:nL6518737]

** Suncor Energy Inc (SU.TO) aims to jettison up to C$4 billion ($3.8 billion) in assets, including a third of its natural gas holdings, in 2010 as it looks to cut debt after its takeover of Petro-Canada, its Chief Executive said. [ID:nBNG82588]

** Chilean state copper giant Codelco said it had reached a deal with GDF Suez (GSZ.PA) to merge electricity generation assets in northern Chile. [ID:nN06199844] (Compiled by Shobhana Chadha and Fareha Khan in Bangalore)