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CLIMATE ACTION PLAN - City of Urbana

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4.4 APPENDIX J: ENERGY AND EMISSIONS FLOW DIAGRAMS<br />

Estimated Illinois Energy Use In 2008<br />

~4554.0 Trillion BTU<br />

Lawrence Livermore<br />

National Laboratory<br />

Solar<br />

1.6<br />

Nuclear<br />

994.6<br />

994.6<br />

162.4<br />

Net Electricity<br />

Exports<br />

Hydro<br />

1.4<br />

Wind<br />

23.0<br />

Geothermal<br />

1.4<br />

Natural<br />

Gas<br />

1014.6<br />

1.4<br />

23.0<br />

35.2<br />

9.5<br />

1.6<br />

472.4<br />

1.6<br />

Electricity<br />

Generation<br />

2068.5<br />

1.4<br />

656.0<br />

225.5<br />

4.2<br />

0.5<br />

4.0<br />

24.6<br />

159.6<br />

27.1<br />

176.6<br />

11.6<br />

1412.6<br />

Residential<br />

687.2<br />

Commercial<br />

421.9<br />

240.5<br />

446.7<br />

126.6<br />

295.3<br />

Rejected<br />

Energy<br />

2715.9<br />

Coal<br />

1103.2<br />

1003.2<br />

267.7<br />

95.3<br />

10.0<br />

155.3<br />

319.3<br />

Industrial<br />

847.6<br />

169.5<br />

678.1<br />

Energy<br />

Services<br />

1675.6<br />

13.7<br />

Biomass<br />

90.3<br />

1.9<br />

42.2<br />

964.5<br />

Transportation<br />

1022.4<br />

766.8<br />

Petroleum<br />

1324.1<br />

255.6<br />

Source: LLNL 2010. Data is based on DOE/EIA-0214(2008), June 2010. If this information or a reproduction <strong>of</strong> it is used, credit must be given to the Lawrence Livermore National Laboratory and the Department<br />

<strong>of</strong> Energy, under whose auspices the work was performed. Distributed electricity represents only retail electricity sales and does not include self-generation. EIA reports flows for non-thermal resources<br />

(i.e., hydro, wind and solar) in BTU-equivalent values by assuming a typical fossil fuel plant "heat rate." The efficiency <strong>of</strong> electricity production is calculated as the total retail electricity delivered divided by the primary<br />

energy input into electricity generation. Interstate and international electricity trade are lumped into net imports or exports and are calculated using a system-wide generation efficiency. End use efficiency is estimated<br />

as 65% for the residential, 70% for the commercial, 80% for the industrial sector, and as 25% for the transportation sector. Totals may not equal sum <strong>of</strong> components due to independent rounding. LLNL-MI-410527<br />

Source: Simon, A., & Belles, R. (2011). Estimated State-Level Energy Flows in 2008, Lawrence Livermore National Lab (LLNL).<br />

<strong>City</strong> <strong>of</strong> <strong>Urbana</strong><br />

98

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