DC Public Service Commission: Gas Customer Choice

January 1999 - Present Customer Usage

District of Columbia Customer Choice Program - Washington Gas Commercial Customers

				Market Share
Month	Delivery Service Usage (Annual Therms) Total a/	DC Sales Service Usage (Annual Therms) Total b/	DC Commercial Customer Usage Total	% Alternative Supplier Usage	% Sales Service Usage
Jan-99	7,838,375
Feb-99	7,839,835
Mar-99	7,911,010	99,790,394	107,701,404	7%	93%
Apr-99	7,911,010
May-99	8,390,255
Jun-99	7,937,290	98,714,290	106,651,580	7%	93%
Jul-99	9,009,295
Aug-99	9,405,320
Sep-99	9,605,340	99,997,535	109,602,875	9%	91%
Oct-99	9,704,620
Nov-99	26,792,460
Dec-99	28,646,660	99,324,853	127,971,513	22%	78%
Jan-00	32,003,930
Feb-00	35,051,315
Mar-00	34,893,635	101,412,153	136,305,788	26%	74%
Apr-00	34,447,605
May-00	36,080,250
Jun-00	52,719,870	102,160,829	154,880,699	34%	66%
Jul-00	54,897,825
Aug-00	54,310,175
Sep-00	54,158,700	101,769,311	155,928,011	35%	65%
Oct-00	53,912,325
Nov-00	50,977,360
Dec-00	51,816,860	102,752,414	154,569,274	34%	66%
Jan-01	51,341,995
Feb-01	49,394,720
Mar-01	49,795,125	101,374,460	151,169,585	33%	67%

Transition from Annual Balancing to Daily Balancing as of April 2001

				Market Share
Month	Delivery Service Usage (Monthly Therms) Total c/	DC Sales Service Usage (Monthly Therms) Total d/	DC Commercial Customer Usage Total e/	% Alternative Supplier Usage	% Sales Service Usage
Apr-01	2,258,556	3,096,694	5,355,250	42%	58%
May-01	1,900,209	2,259,524	4,159,733	46%	54%
Jun-01	1,380,055	2,036,638	3,416,693	40%	60%
Jul-01	1,377,046	1,876,799	3,253,845	42%	58%
Aug-01	1,603,435	1,767,685	3,371,120	48%	52%
Sep-01	1,861,270	2,067,904	3,929,174	47%	53%
Oct-01	3,449,880	3,377,616	6,827,496	51%	49%
Nov-01	4,793,996	4,928,484	9,722,480	49%	51%
Dec-01	7,893,133	8,181,001	16,074,134	49%	51%
Jan-02	7,058,451	7,223,786	14,282,237	49%	51%
Feb-02	7,013,139	5,911,519	12,924,658	54%	46%
Mar-02	4,680,506	4,428,968	9,109,474	51%	49%
Apr-02	3,310,821	4,922,227	8,233,048	40%	60%
May-02	1,837,379	27,562,342	4,399,721	42%	58%
Jun-02	1,959,072	1,962,800	3,921,872	50%	50%
Jul-02	1,301,718	1,913,828	3,215,546	40%	60%
Aug-02	1,739,196	1,493,001	3,232,197	54%	46%
Sep-02	1,625,236	1,677,882	3,303,118	49%	51%
Oct-02	2,045,961	1,918,460	3,964,421	52%	48%
Nov-02	4,666,009	4,846,205	9,512,214	49%	51%
Dec-02	8,000,787	7,482,008	15,482,795	52%	48%
Jan-03	9,341,515	8,689,963	18,031,478	52%	48%
Feb-03	7,783,430	11,797,833	19,581,263	40%	60%
Mar-03	5,370,391	11,082,295	16,452,686	33%	67%
Apr-03 f/	4,295,627	5,316,800	9,612,427	45%	55%
May-03 f/	2,615,183	3,431,356	6,046,539	43%	57%
Jun-03	2,120,549	2,266,248	4,386,797	48%	52%
Jul-03	1,733,139	1,754,081	3,487,220	50%	50%
Aug-03	1,607,464	1,728,669	3,336,133	48%	52%
Sep-03	1,384,932	1,370,210	2,755,142	50%	50%
Oct-03	2,080,356	2,226,378	4,306,734	48%	52%
Nov-03	3,285,536	4,100,968	7,386,504	44%	56%
Dec-03	5,791,590	8,296,184	14,087,774	41%	59%
Jan-04	9,595,891	9,206,339	18,802,230	51%	49%
Feb-04	9,577,302	10,008,690	19,585,992	49%	51%
Mar-04	5,986,852	6,676,888	12,663,740	47%	53%
Apr-04	4,942,844	5,300,803	10,243,647	48%	52%
May-04	2,440,153	2,685,222	5,125,375	48%	52%
Jun-04	1,841,083	1,940,715	3,781,798	49%	51%
Jul-04	1,600,800	1,728,888	3,329,688	48%	52%
Aug-04	1,558,499	1,670,706	3,229,205	48%	52%
Sep-04	1,595,107	1,757,174	3,352,281	48%	52%
Oct-04	1,906,153	2,138,780	4,044,933	47%	53%
Nov-04	3,445,360	3,624,768	7,070,128	49%	51%
Dec-04	5,360,449	6,324,534	11,684,983	46%	54%
Jan-05	7,801,072	8,559,834	16,360,906	48%	52%
Feb-05	8,452,375	9,311,921	17,764,296	48%	52%
Mar-05	7,400,771	7,966,871	15,367,642	48%	52%
Apr-05	4,635,264	4,788,601	9,423,865	49%	51%
May-05	2,560,058	2,308,622	4,868,680	53%	47%
Jun-05	1,960,098	1,875,559	3,835,657	51%	49%
Jul-05	1,715,413	1,605,129	3,320,542	52%	48%
Aug-05	1,530,536	1,574,160	3,104,696	49%	51%
Sep-05	1,475,487	1,234,305	2,709,792	54%	46%
Oct-05	1,821,096	1,673,094	3,494,190	52%	48%
Nov-05	3,783,574	3,414,515	7,198,089	53%	47%
Dec-05	7,283,472	6,964,391	14,247,863	51%	49%
Jan-06	8,114,765	7,841,902	15,956,667	51%	49%
Feb-06	7,846,874	6,954,742	14,801,616	53%	47%
Mar-06	7,037,621	6,355,452	13,393,073	53%	47%
Apr-06	4,706,169	3,994,234	8,700,403	54%	46%
May-06	2,573,726	2,416,763	4,990,489	52%	48%
Jun-06	2,057,559	1,778,233	3,835,792	54%	46%
Jul-06	1,812,364	1,524,744	3,337,108	54%	46%
Aug-06	1,634,633	1,376,051	3,010,684	54%	46%
Sep-06	1,809,587	1,500,232	3,309,819	55%	45%
Oct-06	1,992,831	1,708,032	3,700,863	54%	46%
Nov-06	4,181,985	3,257,321	7,439,306	56%	44%
Dec-06	6,473,631	5,381,757	11,855,388	55%	45%
Jan-07	7,439,745	5,797,242	13,236,987	56%	44%
Feb-07	9,869,664	7,968,052	17,837,716	55%	45%
Mar-07	8,914,180	6,952,162	15,866,342	56%	44%
Apr-07	5,860,298	4,190,232	10,050,530	58%	42%
May-07	3,570,328	2,909,100	6,479,428	55%	45%
Jun-07	2,160,860	1,721,262	3,882,122	56%	44%
Jul-07	1,776,180	1,423,535	3,199,715	56%	44%
Aug-07	1,690,148	1,388,351	3,078,499	55%	45%
Sep-07	1,789,906	1,329,521	3,119,427	57%	43%
Oct-07	1,866,929	1,384,780	3,251,709	57%	43%
Nov-07	3,470,135	2,505,026	5,975,161	58%	42%
Dec-07	7,694,118	5,810,665	13,504,783	57%	43%
Jan-08	9,038,632	6,515,162	15,553,794	58%	42%
Feb-08	9,495,986	6,809,925	16,305,911	58%	42%
Mar-08	8,329,052	6,891,413	15,220,465	55%	45%
Apr-08	6,128,176	3,504,141	9,632,317	64%	36%
May-08	3,439,543	2,456,574	5,896,117	58%	42%
Jun-08	2,343,712	1,822,448	4,166,160	56%	44%
Jul-08	1,844,065	1,400,758	3,244,823	57%	43%
Aug-08	1,669,924	1,302,845	2,972,769	56%	44%
Sep-08	2,477,035	1,357,874	3,834,909	65%	35%
Oct-08	1,537,817	1,532,403	3,070,220	50%	50%
Nov-08	4,288,217	2,921,149	7,209,366	59%	41%
Dec-08	8,248,067	5,859,214	14,107,281	58%	42%
Jan-09	8,940,349	7,408,058	16,348,407	55%	45%
Feb-09	10,092,063	7,968,178	18,060,241	56%	44%
Mar-09	7,847,699	5,913,739	13,761,438	57%	43%
Apr-09	5,605,270	4,076,758	9,682,028	58%	42%

a/ Delivery Service Usage based on normal weather therms.

b/ Sales Service Usage based on quarterly Normal Weather Study from quarterly Normal Weather Study.

c/ Delivery Service Usage based on Company's Rate Stats Report

d/ DC Sales Service Usage Total based on data from Company Rate Stats Report.

e/ DC Commercial Customer Usage Total based on data from Company Rate Stats Report.

f/ Correction made to the usage amount for delivery service customers.

Source: Washington Gas Light Company