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  Image: Gas Market Shares
  January 1999 - Present Customer Participation
 
  District of Columbia Customer Choice Program - Washington Gas Residential Customers
 
Market Share
Month
Customers Choosing Alternative Supplier Total
DC Sales Service Customers Total
DC Residential Customers Total
% of Customers Choosing Alternative Supplier
% of  Customers on Sales Service
Jan-99
6,563
125,345
131,908
5%
95%
Feb-99
7,030
124,841
131,871
5%
95%
Mar-99
7,249
123,911
131,160
6%
94%
Apr-99
7,424
123,233
130,657
6%
94%
May-99
7,430
122,614
130,044
6%
94%
Jun-99
7,412
122,294
129,706
6%
94%
Jul-99
7,389
122,107
129,496
6%
94%
Aug-99
7,360
122,008
129,368
6%
94%
Sep-99
7,319
122,476
129,795
6%
94%
Oct-99
7,367
122,333
129,700
6%
94%
Nov-99
9,208
121,983
131,191
7%
93%
Dec-99
10,137
121,903
132,040
8%
92%
Jan-00
11,162
122,021
133,183
8%
92%
Feb-00
11,083
121,539
132,622
8%
92%
Mar-00
10,982
121,255
132,237
8%
92%
Apr-00
11,014
120,554
132,092
8%
91%
May-00
11,219
118,334
129,553
9%
91%
Jun-00
13,631
116,136
129,767
11%
89%
Jul-00
14,272
115,112
129,384
11%
89%
Aug-00
15,839
113,545
129,384
12%
88%
Sep-00
17,314
112,070
129,384
13%
87%
Oct-00
16,978
112,406
129,384
13%
87%
Nov-00
17,254
112,130
129,384
13%
87%
Dec-00
17,622
112,253
129,875
14%
86%
Jan-01
16,997
112,878
129,875
13%
87%
Feb-01
16,565
113,310
129,875
13%
87%
Mar-01
15,369
114,506
129,875
12%
88%
Apr-01
14,948
114,927
129,875
12%
88%
May-01
10,837
123,073
133,910
8%
92%
Jun-01
10,764
123,146
133,910
8%
92%
Jul-01
10,764
123,146
133,910
8%
92%
Aug-01
10,832
123,078
133,910
8%
92%
Sep-01
11,941
122,704
134,645
9%
91%
Oct-01
12,577
122,068
134,645
9%
91%
Nov-01
13,272
121,373
134,645
10%
90%
Dec-01
15,807
115,841
131,648
12%
88%
Jan-02
16,057
115,591
131,648
12%
88%
Feb-02
16,033
115,615
131,648
12%
88%
Mar-02
16,682
114,966
131,648
13%
87%
Apr-02
17,811
113,837
131,648
14%
86%
May-02
18,844
112,804
131,648
14%
86%
Jun-02
19,249
116,571
135,820
14%
86%
Jul-02
19,541
116,279
135,820
14%
86%
Aug-02
20,635
115,185
135,820
15%
85%
Sep-02
22,137
113,683
135,820
16%
84%
Oct-02
23,701
112,119
135,820
17%
83%
Nov-02
25,526
110,294
135,820
19%
81%
Dec-02
26,438
109,382
135,820
19%
81%
Jan -03
27,434
108,386
135,820
20%
80%
Feb-03
27,460
108,360
135,820
20%
80%
Mar-03
27,273
108,547
135,820
20%
80%
Apr-03
27,272
108,548
135,820
20%
80%
May-03
26,974
108,846
135,820
20%
80%
Jun-03
23,992
111,828
135,820
18%
82%
Jul-03
23,521
112,299
135,820
17%
83%
Aug-03
23,083
112,737
135,820
17%
83%
Sep-03
22,587
113,233
135,820
17%
83%
Oct-03
22,378
111,322
135,700
16%
84%
Nov-03
22,046
111,654
135,700
16%
84%
Dec-03
21,673
112,027
135,700
16%
84%
Jan-04
21,570
112,130
135,700
16%
84%
Feb-04
21,419
112,281
135,700
16%
84%
Mar-04
21,173
112,527
133,700
16%
84%
Apr-04
19,800
113,900
133,700
15%
85%
May-04
19,562
114,138
133,700
15%
85%
Jun-04
18,968
114,732
133,700
14%
86%
Jul-04
18,481
115,219
133,700
14%
86%
Aug-04
17,767
115,933
133,700
13%
87%
Sep-04
17,295
116,405
133,700
13%
87%
Oct-04
16,875
116,825
133,700
13%
87%
Nov-04
16,570
117,130
133,700
12%
88%
Dec-04
16,405
117,295
133,700
12%
88%
Jan-05 16,232 119,675 135,907 12% 88%
Feb-05 15,629 120,278 135,907 11% 89%
Mar-05 14,711 121,196 135,907 11% 89%
Apr-05 13,773 122,134 135,907 10% 90%
May-05 12,804 123,103 135,907 9% 91%
Jun-05 12,108 123,799 135,907 9% 91%
Jul-05 11,764 124,143 135,907 9% 91%
Aug-05 11,568 124,339 135,907 9% 91%
Sep-05 11,435 124,472 135,907 8% 92%
Oct-05 13,478 122,429 135,907 10% 90%
Nov-05 12,859 123,048 135,907 9% 91%
Dec-05 12,850 123,057 135,907 9% 91%
Jan-06 13,160 122,849 136,009 10% 90%
Feb-06 13,122 122,887 136,009 10% 90%
Mar-06 13,101 122,908 136,009 10% 90%
Apr-06 13,060 122,949 136,009 10% 90%
May-06 12,969 123,040 136,009 10% 90%
Jun-06 12,896 123,113 136,009 9% 91%
Jul-06 12,799 123,210 136,009 9% 91%
Aug-06 12,778 123,231 136,009 9% 91%
Sep-06 12,717 123,292 136,009 9% 91%
Oct-06 12,637 123,372 136,009 9% 91%
Nov-06 12,597 123,412 136,009 9% 91%
Dec-06 12,723 123,286 136,009 9% 91%
Jan-07 12,632 124,645 137,277 9% 91%
Feb-07 12,573 124,704 137,277 9% 91%
Mar-07 12,533 124,744 137,277 9% 91%
Apr-07 12,459 124,818 137,277 9% 91%
May-07 12,407 124,870 137,277 9% 91%
Jun-07 12,356 124,921 137,277 9% 91%
Jul-07 12,291 124,986 137,277 9% 91%
Aug-07 12,184 125,093 137,277 9% 91%
Sep-07 12,097 125,180 137,277 9% 91%
Oct-07 12,025 125,252 137,277 9% 91%
Nov-07 12,055 125,222 137,277 9% 91%
Dec-07 11,990 125,287 137,277 9% 91%
Jan-08 12,061 125,519 137,580 9% 91%
Feb-08 12,083 125,497 137,580 9% 91%
Mar-08 12,091 125,489 137,580 9% 91%
Apr-08 12,155 125,425 137,580 9% 91%

Source: Washington Gas Light Company
   
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