In the US, electricity comes mostly from coal and natural gas, with the latter rapidly replacing the former. France is somewhat unusual in having significant nuclear generation, but in the US, nuclear has been roughly constant at about 20%.
In PetaWattHr Coal 1.517 Gas 1.231 (natural) Nuc 0.769 Hydro 0.277 Renew 0.219 (wind, tidal, solar) Oil 0.013 Other 0.012 (no idea what this is, biomass?) Gas 0.011 (other, blast furnace gas, e.g.) Coke 0.010 (from oil) Over the last few years, Coal is decreasing by about 200 TeraWh/yr, Nat gas increasing by about the same. Oil is decreasing by about 3-4 TWh/yr, renewable is increasing about 20-25 TWh/yr. http://www.eia.gov/electricity/monthly/epm_table_grapher.cfm?t=epmt_1_1 Jim Lux -----Original Message----- From: beowulf-boun...@beowulf.org [mailto:beowulf-boun...@beowulf.org] On Behalf Of Vincent Diepeveen Sent: Wednesday, April 10, 2013 1:59 AM To: rei...@hartenstein.de Cc: BEOWULF Subject: Re: [Beowulf] Electricity cost: a critical survival issue of our ICT infrastructures. On Apr 6, 2013, at 9:56 AM, Reiner Hartenstein wrote: > Since when do computers run on oil or gas? I thought they ran on electricity mainly produced by coals and nuclear centrals. Why would that go up in price? _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
