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  Image: Gas Market Shares
  January 1999 - Present Customer Usage
   
  District of Columbia Customer Choice Program - Washington Gas Residential Customers
 
 
Market Share
Month
Delivery Service Usage (Annual Therms) Total a/
DC Sales Service Usage (Annual Therms) Total b/
DC Residential Customer Usage
%  Alternative Supplier Usage
% Sales Service Usage
Jan-99
8,094,605
Feb-99
8,622,760
Mar-99
8,897,605
109,704,833
118,602,438
8%
92%
Apr-99
9,121,715
May-99
9,119,525
Jun-99
9,107,115
107,765,515
116,872,630
8%
92%
Jul-99
9,078,645
Aug-99
9,044,700
Sep-99
9,000,170
109,521,969
118,522,139
8%
92%
Oct-99
9,006,740
Nov-99
11,213,530
Dec-99
12,371,675
109,796,984
122,168,659
10%
90%
Jan-00
13,297,315
Feb-00
13,228,330
Mar-00
13,134,160
111,130,980
124,265,140
11%
89%
Apr-00
13,184,530
May-00
13,449,155
Jun-00
15,811,800
112,072,374
127,884,174
12%
88%
Jul-00
16,304,185
Aug-00
17,525,840
Sep-00
18,581,785
110,755,975
129,337,760
14%
86%
Oct-00
18,215,325
Nov-00
18,003,625
Dec-00
18,199,995
112,149,408
130,349,403
14%
86%
Jan-01
17,453,935
Feb-01
16,926,875
Mar-01
15,855,965
109,907,273
125,763,238
13%
87%
   
  Transition from Annual Balancing to Daily Balancing as of April 2001  
 
Apr-01
418,938
3,733,588
4,152,526
10%
90%
May-01
281,937
2,628, 679
2,910,616
10%
90%
Jun-01
234,786
2,173,826
2,408,612
10%
90%
Jul-01
201,094
1,963,123
2,164,217
9%
91%
Aug-01
227,461
2,047,513
2,274,974
10%
90%
Sep-01
393,674
3,038,506
3,432,180
11%
89%
Oct-01
851,884
6,179,711
7,031,595
12%
88%
Nov-01
1,252,753
8,713,256
9,966,009
13%
87%
Dec-01
2,823,372
17,017,418
19,840,790
14%
86%
Jan-02
2,386,212
14,050, 474
16,436,686
15%
85%
Feb-02
2,385,220
12,126,442
14,511,662
16%
84%
Mar-03
1,409,726
7,899,348
9,309,074
15%
85%
Apr-02
746,676
7,121,094
7,867,770
9%
91%
May-02
529,520
3,828,587
4,358,107
12%
88%
Jun-02
391,457
2,478,204
2,869,661
14%
86%
Jul-02   f/
383,382
2,124,395
2,507,777
15%
85%
Aug-02
351,378
1,700,766
2,052,144
17%
83%
Sep-02   f/
387,993
2,007,682
2,395,675
16%
84%
Oct-02
565,148
2,406,461
2,971,609
19%
81%
Nov-02
2,056,551
7,661,867
9,718,418
21%
79%
Dec-02
4,368,956
15,328,752
19,697,708
22%
78%
Jan-03
5,204,224
17,997,926
23,202,150
22%
78%
Feb-03
5,960,164
20,142,096
26,102,260
23%
77%
Mar-03
4,296,517
14,292,375
18,588,892
23%
77%
Apr-03
2,303,839
7,942,210
9,796,049
24%
76%
May-03
3,941,520
1,240,689
5,182,209
76%
24%
Jun-03
874,162
2,724,103
3,598,265
24%
76%
Jul-03
476,159
1,871,427
2,347,586
20%
80%
Aug-03
408,714
1,610,530
2,019,244
20%
80%
Sep-03
438,002
1,732,471
2,170,473
20%
80%
Oct-03
769,450
3,025,252
3,794,702
20%
80%
Nov-03
1,528,829
6,012,769
7,541,598
20%
80%
Dec-03
3,367,752
13,866,105
17,233,857
20%
80%
Jan-04
4,372,793
18,835,435
23,208,228
19%
81%
Feb-04
4,626,099
20,246,782
24,872,881
19%
81%
Mar-04
2,520,732
11,114,844
13,635,576
18%
82%
Apr-04
1,932,468
8,451,770
10,384,238
19%
81%
May-04
687,345
3,365,057
4,052,402
17%
83%
Jun-04
404,460
2,043,428
2,447,888
17%
83%
Jul-04
353,182
1,841,590
2,194,772
16%
84%
Aug-04
315,425
1,697,004
2,012,429
16%
84%
Sep-04
325,720
1,810,705
2,136,425
15%
85%
Oct-04
487,137
2,542,781
3,029,918
16%
84%
Nov-04 1,104,193 5,744,914 6,849,107 16%
84%
Dec-04
 1,957,090
10,599,323
12,556,413
16%
 84%
Jan-05
 2,971,184
16,839,318
19,810,502
15%
 85%
Feb-05 3,233,866 19,146,695 22,380,561 14% 86%
Mar-05 2,560,418 15,581,274 18,141,692 14% 86%
Apr-05 1,239,617 8,263,784 9,503,401 13% 87%
May-05 642,449 4,387,768 5,030,217 13% 87%
Jun-05 341,154
2,686,370
3,027,524
11%
 89%
Jul-05 216,270 1,855,007 2,071,277 10%
 90%
Aug-05 184,994 1,653,563 1,838,577 10%
 90%
Sep-05 196,852 1,726,660 1,923,512 10%
 90%
Oct-05 247,532 2,044,699 2,292,231 11% 89%
Nov-05 862,436 5,758,035 6,620,471 13%
 87%
Dec-05 1,861,657 14,138,390 16,000,047 12%
 88%
Jan-06 2,073,682 15,952,751 18,026,433 12%
 88%
Feb-06 1,950,272 14,235,971 16,186,243 12%
 88%
Mar-06 1,790,997 13,442,330 15,233,327 12%
 88%
Apr-06 926,208 6,785,767 7,711,975 12%
 88%
May-06 459,053 3,185,559 3,644,612 13%
 87%
Jun-06 325,156 2,331,291 2,656,447 12%
 88%
Jul-06 235,724 1,804,601 2,040,325 12% 88%
Aug-06 204,680 1,549,976 1,754,656 12% 88%
Sep-06 224,279 1,707,427 1,931,706 12% 88%
Oct-06 339,335 2,415,026 2,754,361 12% 88%
Nov-06 900,332 6,399,051 7,299,383 12% 88%
Dec-06 1,437,354 10,875,678 12,313,032 12% 88%
Jan-07 1,654,612 12,455,563 14,110,175 12% 88%
Feb-07 2,560,902 20,221,316 22,782,218 11% 89%
Mar-07 1,991,053 16,139,240 18,130,293 11% 89%
Apr-07 1,094,909 8,453,471 9,548,380 11% 89%
May-07 627,069 4,770,709 5,397,778 12% 88%
Jun-07 276,982 2,163,494 2,440,476 11% 89%
Jul-07 222,313 1,756,820 1,979,133 11% 89%
Aug-07 199,625 1,608,226 1,807,851 11% 89%
Sep-07 206,091 1,698,092 1,904,183 11% 89%
Oct-07 224,270 1,756,635 1,980,905 11% 89%
Nov-07 610,641 4,559,097 5,169,738 12% 88%
Dec-07 1,612,590 12,719,445 14,332,035 11% 89%
Jan-08 1,926,608 15,643,995 17,570,603 11% 89%
Feb-08 2,020,825 16,600,069 18,620,894 11% 89%
 

 

a/ Delivery Service Usage based on normal weather therms.

b/ Sales Service Usage based on normal weather therms from quarterly Normal Weather Study

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

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

e/ DC Residential 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
 
   
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