Averaging Calculations for Seasonal Data
Facility	2001	2002	2003	2004	2005	SUM	AVG Output			2001	2002	2003	2004	2005	SUM	AVG		Adj. Avg. HI	Adj. Avg. GO	% HI	% GO	Allowances HI	Allowance GO	Efficiency
Alsey Station				936	936	1872	936		Alsey Station				16058	16,058	32,116	16,058	G	6,423	374	0.00%	0.00%	0	0	0.198939345
Baldwin Energy Complex	5,386,067	5,928,505	5,910,180	4,902,970	6,191,339	18,030,024	6,010,008		Baldwin Energy Complex	54,070,331	58,562,506	56,427,381	47,733,891	58,597,412	173,587,299	57,862,433	C	57,862,433	6,010,008	13.25%	14.30%	2,848	3,074	0.3544987
Calumet Energy Team		6,676	9,944	8,651	18,775	37,370	12,457		Calumet Energy Team		73,592	108,684	90,134	198,974	397,792	132,597	G	53,039	4,983	0.01%	0.01%	3	3	0.320629399
Coffeen	1,883,374	2,731,632	2,554,044	2,402,170	2,691,230	7,976,906	2,658,969		Coffeen	18,701,588	26,621,457	27,936,830	25,287,977	29,100,117	83,658,404	27,886,135	C	27,886,135	2,658,969	6.39%	6.33%	1,373	1,360	0.325432699
Cordova Energy Center	209,247	477,769	273,494	271,296	699,130	1,450,393	483,464		Cordova Energy Center	2,040,428	3,494,499	2,033,129	1,977,646	5,211,988	10,746,915	3,582,305	G	1,432,922	193,386	0.33%	0.46%	71	99	0.460615098
Crawford	1,044,142	1,181,490	1,233,600	1,041,855	1,363,772	3,778,862	1,259,621		Crawford	10,876,913	13,212,341	14,177,451	12,079,841	14,459,249	41,849,041	13,949,680	C	13,949,680	1,259,621	3.19%	3.00%	687	644	0.308185222
Crete Energy Park		24,591	7,216	1,569	6,513	38,320	12,773		Crete Energy Park		310,656	92,921	19,057	88,351	491,928	163,976	G	65,590	5,109	0.02%	0.01%	3	3	0.265864435
Dallman	1,225,473	1,327,525	1,256,483	1,152,642	1,502,495	4,086,503	1,362,168		Dallman	9,492,906	10,818,963	11,030,618	9,851,371	12,346,977	34,196,558	11,398,853	C	11,398,853	1,362,168	2.61%	3.24%	561	697	0.407854929
Duck Creek	1,072,755	928,381	765,516	885,431	892,253	2,893,389	964,463		Duck Creek	10,200,430	9,378,134	7,778,498	8,734,072	8,760,168	28,338,732	9,446,244	C	9,446,244	964,463	2.16%	2.30%	465	493	0.348467837
E D Edwards	1,912,574	1,793,800	1,899,141	1,503,038	1,282,927	5,605,515	1,868,505		E D Edwards	20,482,477	18,467,958	19,138,929	15,961,416	13,248,939	58,089,364	19,363,121	C	19,363,121	1,868,505	4.43%	4.45%	953	956	0.329348118
Elgin Energy Center			32,456	16,142	31,063	79,661	26,554		Elgin Energy Center			373,241	189,140	366,230	928,611	309,537	G	123,815	10,621	0.03%	0.03%	6	5	0.292784592
Elwood Energy Facility	339,910	479,940	187,550	173,856	460,324	1,280,174	426,725		Elwood Energy Facility	3,726,545	5,280,867	2,081,905	2,043,432	5,077,529	14,084,941	4,694,980	G	1,877,992	170,690	0.43%	0.41%	92	87	0.310206046
Factory Gas Turbine							0		Factory Gas Turbine				250	1,219	1,469	735	O	441	0	0.00%	0.00%	0	0	0
Fisk	644,999	724,073	666,207	673,973	808,176	2,206,222	735,407		Fisk	6,981,562	7,722,600	7,202,714	7,113,830	8,688,751	23,614,065	7,871,355	C	7,871,355	735,407	1.80%	1.75%	387	376	0.318870795
Freedom Power Project		17,105	10	186	6,311	23,602	7,867		Freedom Power Project		163,944	142	1,708	59,492	225,144	75,048	G	30,019	3,147	0.01%	0.01%	1	2	0.357787132
Gibson City Power Plant	78,552	17,129	8,135	2,142	54,648	150,329	50,110		Gibson City Power Plant	833,379	188,214	91,093	24,116	603,797	1,625,390	541,797	G	216,719	20,044	0.05%	0.05%	11	10	0.315661396
Goose Creek Energy Center			1,103	310	62,530	63,943	21,314		Goose Creek Energy Center			6,016	3,631	722,930	732,577	244,192	G	97,677	8,526	0.02%	0.02%	5	4	0.297903782
Grand Tower	104,051	820,276	136,373	129,662	205,550	1,162,199	387,400		Grand Tower	844,968	6,834,266	1,287,420	1,159,315	1,911,135	10,032,821	3,344,274	G	1,337,709	154,960	0.31%	0.37%	66	79	0.395360905
Havana	933,523	1,209,381	1,138,365	580,562	1,451,991	3,799,737	1,266,579		Havana	9,166,935	13,243,732	11,502,157	6,094,946	15,334,663	40,080,552	13,360,184	O	8,016,110	759,947	1.84%	1.81%	395	389	0.323560972
Hennepin Power Station	853,794	879,778	833,914	710,829	907,394	2,640,966	880,322		Hennepin Power Station	8,392,991	9,144,891	8,618,649	7,213,103	9,403,955	27,167,495	9,055,832	C	9,055,832	880,322	2.07%	2.09%	446	450	0.331779465
Holland Energy Facility		117,855	65,118	86,850	403,560	608,265	202,755		Holland Energy Facility		1,258,444	708,924	954,331	4,078,891	6,291,666	2,097,222	G	838,889	81,102	0.19%	0.19%	41	41	0.329961642
Hutsonville	275,027	315,885	291,069	233,985	374,893	981,847	327,282		Hutsonville	2,798,927	3,257,700	3,183,000	2,616,561	4,389,755	10,830,455	3,610,152	C	3,610,152	327,282	0.83%	0.78%	178	167	0.309409329
Interstate	22,673	5,450	6,915	2,846	16,990	46,578	15,526		Interstate	303,942	71,393	86,700	37,400	243,666	634,308	211,436	G	84,574	6,210	0.02%	0.01%	4	3	0.250620698
Joliet 29	2,456,323	2,369,655	2,698,432	2,427,428	2,285,450	7,582,183	2,527,394		Joliet 29	25,317,411	25,726,993	30,094,537	25,870,902	26,140,738	82,106,177	27,368,726	C	27,368,726	2,527,394	6.27%	6.01%	1,347	1,293	0.315177147
Joliet 9	438,814	589,924	648,884	588,170	760,910	1,999,718	666,573		Joliet 9	4,929,039	6,355,081	7,074,382	6,400,767	8,486,994	21,962,143	7,320,714	C	7,320,714	666,573	1.68%	1.59%	360	341	0.310763733
Joppa Steam	3,781,591	3,716,382	3,627,445	3,009,589	3,585,363	11,125,418	3,708,473		Joppa Steam	39,752,088	38,276,905	37,416,090	30,970,492	37,004,540	115,445,083	38,481,694	C	38,481,694	3,708,473	8.81%	8.82%	1,894	1,897	0.328910081
Kendall County Generating Facility	2,697,618	634,318	231,324	293,877	955,593	4,287,529	1,429,176		Kendall County Generating Facility	28,659,689	6,462,871	2,511,815	3,194,440	7,057,087	42,179,647	14,059,882	G	5,623,953	571,671	1.29%	1.36%	277	292	0.346928851
Kincaid Station		2,925,628	2,745,810	2,744,177	2,974,612	8,646,050	2,882,017		Kincaid Station		29,665,218	29,099,932	27,392,932	31,145,861	89,911,011	29,970,337	C	29,970,337	2,882,017	6.86%	6.86%	1,475	1,474	0.328201945
Kinmundy Power Plant	59,479	19,708	13,585	2,219	40,460	119,647	39,882		Kinmundy Power Plant	652,324	224,805	159,629	27,111	474,127	1,351,256	450,419	G	180,167	15,953	0.04%	0.04%	9	8	0.30220418
Lakeside	308,127	227,642	180,972	34,203	161,658	716,741	238,914		Lakeside	2,115,430	1,407,795	1,194,463	287,024	1,142,797	4,717,688	1,572,563	C	1,572,563	238,914	0.36%	0.57%	77	122	0.518524547
Lee Energy Facility	58,698	56,217	4,191	8,933	72,336	187,251	62,417		Lee Energy Facility	705,961	683,015	51,611	105,289	894,491	2,283,467	761,156	G	304,462	24,967	0.07%	0.06%	15	13	0.279876023
Lincoln Generating Facility	139,249	94,849	15,238	7,161	58,799	292,897	97,632		Lincoln Generating Facility	1,666,118	1,132,752	190,816	88,611	702,411	3,501,281	1,167,094	G	466,837	39,053	0.11%	0.09%	23	20	0.28551192
Marion	640,314	549,036	693,307	721,302	890,895	2,305,504	768,501		Marion	7,711,618	6,962,766	11,050,684	9,341,230	12,483,915	32,875,829	10,958,610	C	10,958,610	768,501	2.51%	1.83%	539	393	0.239345604
MEP Flora Power			794	0	40,089	40,883	20,442		MEP Flora Power			9,386	0	763,485	772,871	386,436	C	386,436	20,442	0.09%	0.05%	19	10	0.180539416
MEPI Gt Facility	70,671	25,277	13,404	5,132	23,777	119,725	39,908		MEPI Gt Facility	960,134	359,610	191,418	71,664	318,187	1,637,931	545,977	G	218,391	15,963	0.05%	0.04%	11	8	0.249474138
Meredosia	368,339	496,294	442,083	411,800	586,908	1,525,285	508,428		Meredosia	5,991,273	8,251,583	6,748,820	5,559,985	8,187,566	23,187,969	7,729,323	O	4,637,594	305,057	1.06%	0.73%	228	156	0.224504255
Newton	3,154,102	3,164,559	3,052,675	2,383,413	3,343,301	9,661,962	3,220,654		Newton	31,278,288	32,698,747	34,103,280	24,088,286	35,900,710	102,702,737	34,234,246	C	34,234,246	3,220,654	7.84%	7.66%	1,685	1,647	0.321084688
NRG Rockford Energy Center	45,649	63,323	18,514	17,155	26,319	135,291	45,097		NRG Rockford Energy Center	489,890	642,770	189,697	176,219	274,384	1,407,044	469,015	G	187,606	18,039	0.04%	0.04%	9	9	0.328168972
NRG Rockford II Energy Center		43,113	2,906	4,119	36,486	83,718	27,906		NRG Rockford II Energy Center		439,263	29,557	41,368	361,710	830,530	276,843	G	110,737	11,162	0.03%	0.03%	5	6	0.344032767
Pinckneyville Power Plant	93,166	118,966	59,183	30,398	115,826	327,958	109,319		Pinckneyville Power Plant	981,923	1,225,599	600,597	307,204	1,195,328	3,402,850	1,134,283	G	453,713	43,728	0.10%	0.10%	22	22	0.328936231
Powerton	3,463,762	3,904,447	3,871,188	3,319,558	3,373,783	11,239,397	3,746,466		Powerton	41,301,540	31,739,457	40,697,725	35,601,571	35,196,491	117,600,836	39,200,279	C	39,200,279	3,746,466	8.98%	8.92%	1,929	1,916	0.326188684
PPL University Park Power Project		14,980	33,268	65,984	121,733	220,985	73,662		PPL University Park Power Project		159,621	348,791	701,569	1,280,244	2,330,604	776,868	G	310,747	29,465	0.07%	0.07%	15	15	0.323616455
Reliant Energy - Aurora	118,375	210,967	80,594	48,474	310,706	640,048	213,349		Reliant Energy - Aurora	1,609,383	2,136,569	836,305	499,607	3,165,352	6,911,304	2,303,768	G	921,507	85,340	0.21%	0.20%	45	44	0.316074047
Reliant Energy Shelby County	67,144	127,567	6,610	6,854	87,692	282,403	94,134		Reliant Energy Shelby County	666,262	1,256,371	66,480	66,696	789,957	2,712,590	904,197	G	361,679	37,654	0.08%	0.09%	18	19	0.35532146
Rocky Road Power, LLC	44,428	57,741	18,252	10,970	4,536	120,421	40,140		Rocky Road Power, LLC	527,996	676,495	220,026	135,305	55,546	1,424,517	474,839	G	189,936	16,056	0.04%	0.04%	9	8	0.28851665
Southeast Chicago Energy Project		39,944	7,685	12,784	4,228	60,413	20,138		Southeast Chicago Energy Project		51,438	108,578	180,370	62,166	351,114	117,038	G	46,815	8,055	0.01%	0.02%	2	4	0.587243941
Tilton Power Station	76,041	98,978	48,156	20,341	81,415	256,434	85,478		Tilton Power Station	854,791	1,090,967	544,257	219,722	885,606	2,831,364	943,788	G	377,515	34,191	0.09%	0.08%	19	17	0.309112231
University Park Energy	20,051	31,074	7,132	26,898	97,350	144,299	48,100		University Park Energy	243,072	368,370	80,654	312,854	1,107,893	1,789,117	596,372	G	238,549	19,240	0.05%	0.05%	12	10	0.275271258
Venice		4,970	3,210	2,480	59,865	68,045	22,682		Venice	715,365	658,026	32,890	25,823	623,155	1,996,546	665,515	O	399,309	13,609	0.09%	0.03%	20	7	0.116319677
Vermilion Power Station	491,182	495,992	416,893	324,491	308,966	1,404,067	468,022		Vermilion Power Station	4,835,545	4,990,069	4,272,236	3,374,205	3,308,038	14,097,850	4,699,283	C	4,699,283	468,022	1.08%	1.11%	231	239	0.339915708
Waukegan	2,068,010	2,232,809	1,773,056	1,725,166	2,113,353	6,414,172	2,138,057		Waukegan	21,136,045	23,761,751	17,969,616	18,261,982	22,171,304	67,069,100	22,356,367	C	22,356,367	2,138,057	5.12%	5.09%	1,100	1,093	0.326403203
Will County	2,177,167	2,540,341	1,666,964	1,686,610	2,247,603	6,965,111	2,321,704		Will County	24,072,856	27,296,074	17,453,346	16,865,804	23,675,988	75,044,918	25,014,973	C	25,014,973	2,321,704	5.73%	5.52%	1,231	1,187	0.316769269
Wood River Power Station	1,036,727	1,173,046	1,272,590	1,009,615	1,372,904	3,818,540	1,272,847		Wood River Power Station	9,929,318	11,726,516	12,199,970	10,528,505	13,606,818	37,533,304	12,511,101	G	5,004,441	509,139	1.15%	1.21%	246	260	0.347229677
Zion Energy Center		122,195	77,449	27,843	32,875	232,519	77,506		Zion Energy Center		1,486,930	1,046,606	326,562	387,694	2,921,230	973,743	G	389,497	31,003	0.09%	0.07%	19	16	0.271662056
																		436,613,407	42,022,403	100.00%	100.00%	30,701	30,701	0.328488452