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FACTBOX-UK utilities' latest tariff changes

(Adds Centrica, RWE npower price increases)

LONDON, Oct 12 (Reuters) - Britain's 'Big Six' energy suppliers, which control 99 percent of the market, are expected to increase energy tariffs this winter following a rise in underlying wholesale prices, network costs and mandatory government schemes to reduce carbon emissions and help disadvantaged households.

Three out of the six biggest suppliers have announced higher prices from this winter.

Below is a list of the latest tariff changes:

Winter 2012/13 COMPANY GAS POWER START DATE STORY LINK SSE +9 pct +9 pct Oct. 15, 2012 Centrica +6 pct +6 pct Nov. 16, 2012 RWE npower +8.8 pct +9.1 pct Nov. 26, 2012 Summer 2012 COMPANY GAS POWER START DATE STORY LINK EDF Energy -5 pct nc* Feb. 7, 2012 British Gas nc* -5 pct Jan. 12, 2012 SSE -4.5 pct nc* March 26, 2012 RWE npower -5 pct nc* Feb. 1, 2012 E.ON nc* -6 pct Feb. 27, 2012 Scottish Power -5 pct nc* Feb. 27, 2012 Summer/Winter 2011 COMPANY GAS POWER START DATE STORY LINK British Gas +18 pct +16 pct Aug. 18, 2011 EDF Energy +15.4 pct +4.5 pct Nov. 10, 2011 EON UK +11.4 pct +18.1 pct Sept. 13, 2011 Scottish Power +19 pct +10 pct Aug. 01, 2011 RWE npower +15.7 pct +7.2 pct Oct. 01, 2011 SSE +18 pct +11 pct Sept. 14, 2011 Winter 2010/11 COMPANY GAS POWER START DATE STORY LINK British Gas +7 pct +7 pct Dec. 10, 2010 EDF Energy +6.5 pct +7.5 pct Mar. 02, 2011 EON UK +3 pct +9 pct Feb. 04, 2011 Scottish Power +2 pct +8.9 pct Nov. 25, 2010 RWE npower +5 pct +5 pct Jan. 04, 2011 Scottish and Southern +9.4 pct nc* Dec. 01, 2010 * nc = no change

(Compiled by Karolin Schaps; editing by Keiron Henderson)

((karolin.schaps@thomsonreuters.com)(+44)(0)(207 542 6622)(Reuters Messaging: karolin.schaps.reuters.com@reuters.net))

Keywords: BRITAIN ENERGY/TARIFFS