Chalk Point

Chalk Point Generating Station

View of Chalk Point Looking north,
with the Patuxent River in the background

Location:

  • Prince George's County

Ownership:

  • GenOn

Fuel Types:

  • Oil, Coal

Number of Units:

  • 4 Steam, 7 Gas Turbines

Net Summer Capacity (MW):

  • 2347

Date Online:

  • August 1964

Ash Control:

  • Units 1 & 2: Electrostatic Precipitators
  • Units 3 & 4: Wet Scrubbers (oil ash)

Air Control:

  • Units 1 & 2:
    • Flue gas desulfurization for SO2 with 92% efficiency
    • Sorbent injection for H2SO4 at 41% efficiency
    • Selective catalytic reduction for NOX at 85% efficiency
  • Units 3&4: Low-NOX Burner and Overfire Air for NOX control

Cooling System:

  • Units 1 & 2: once-through system, 250,000 gallons per minute per unit. Discharge to discharge canal.
  • Units 3 & 4: closed cycle cooling tower, 260,000 gallons per minute per unit

2011 Generation (MWh)
Total
Coal
Natural Gas
Oil
Municipal Solid Waste
Biomass
Blast Furnace Gas
4,196,622
3,346,438
796,133
54,051
0
0
0

Units
Unit #
Online Date
Nameplate Capacity
Unit Type
Fuels
1
1975
659
ST
RFO;NG;DFO
2
1981
659
ST
RFO;NG;DFO
3
1967
16
GT
DFO
4
1974
35
GT
DFO
5
1991
103
GT
DFO;NG
6
1991
103
GT
DFO; NG
7
1991
125
GT
DFO;NG
8
1991
125
GT
DFO; NG
9
1990
0
0
0
10
1964
0
0
0
11
1965
0
0
0

Annual Monthly Generation
Fuel Category
Year
Unit Type
Fuel Description
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Annual
Coal
2001
BIT
372981
234795
238757
297571
151486
240935
345189
235184
277223
201876
167091
153960
2917048
Oil
2001
DFO
38562
13685
5942
3651
7592
437
2974
4340
3406
4734
1794
532
87649
Natural Gas
2001
NG
2422
20243
83625
21433
33697
49841
128304
195754
118562
90344
5578
6660
756463
Oil
2001
RFO
183809
174965
143578
74874
76940
166575
127447
258758
54483
37924
29104
38173
1366630
Coal
2002
BIT
315896
270499
422575
405912
376981
377865
400623
407641
372931
377160
348531
427313
4503927
Oil
2002
DFO
9634
3359
1479
3196
13362
1986
14173
4013
1089
1207
1430
4278
59206
Natural Gas
2002
NG
11492
9558
4553
37336
23657
94050
244513
416614
176771
25937
21137
28891
1094509
Oil
2002
RFO
28728
50327
110579
40662
40139
80315
116292
4889
0
115665
37602
144004
769202
Oil
2003
GT
DFO
32031
17049
19962
6655
3498
387
0
52267
12854
503
681
3259
149146
Natural Gas
2003
GT
NG
0
0
0
0
0
0
0
0
0
0
0
0
0
Natural Gas
2003
GT
NG
1807
81
3079
6278
1772
29365
20919
38
2
0
0
0
63341
Coal
2003
ST
BIT
439389
306081
180414
181300
98594
199752
381795
385824
373800
375731
345620
403837
3672137
Oil
2003
ST
DFO
5408
3126
4290
4673
4419
4437
3501
4669
2197
1764
4076
3841
46401
Natural Gas
2003
ST
NG
0
0
0
0
0
0
0
0
0
0
0
0
0
Natural Gas
2003
ST
NG
5566
3506
3260
3227
1723
5711
5689
0
0
0
0
0
28682
Oil
2003
ST
RFO
376281
295176
203134
211228
24174
138897
281038
321837
98330
27292
73061
154240
2204688
Oil
2004
GT
DFO
48878
1193
148
840
17260
15248
12202
18740
12336
1092
5391
33062
166390
Natural Gas
2004
GT
NG
0
0
0
0
0
0
0
0
0
0
0
0
0
Coal
2004
ST
BIT
0
0
0
0
0
0
0
0
0
0
0
0
0
Oil
2004
ST
DFO
17775
4482
6294
4491
8024
5824
8063
5465
1349
1222
859
2183
66031
Natural Gas
2004
ST
NG
0
0
0
0
0
0
0
0
0
0
0
0
0
Oil
2004
ST
RFO
267119
112798
204954
211144
363606
187152
32512
301198
41371
0
0
111847
1833701
Coal
2004
ST
SC
385681
371138
335664
324762
284576
345582
408640
336686
369522
356646
349506
359862
4228265
Oil
2005
GT
DFO
40702
16838
9301
0
0
1228
6573
3305
3844
1475
120
12801
96187
Natural Gas
2005
GT
NG
0
0
-10
1190
445
46128
46019
65839
30675
16661
4382
1548
212877
Coal
2005
ST
BIT
362089
312001
294396
277124
186432
376432
391980
412276
375654
359997
333814
209165
3891360
Oil
2005
ST
DFO
4129
2390
2235
2188
2096
2284
1605
1565
4053
8812
7897
6957
46211
Natural Gas
2005
ST
NG
0
0
1169
567
1945
11293
11226
29108
4023
4779
9441
9775
83326
Oil
2005
ST
RFO
302155
37897
62007
0
6569
351078
385698
319685
263837
200157
89782
346662
2365527
Oil
2006
GT
DFO
258
1123
215
15
476
963
2916
3115
0
-261
203
0
9023
Natural Gas
2006
GT
NG
1992
354
385
537
5543
10955
21292
32793
757
0
234
1272
76114
Coal
2006
ST
BIT
268117
330991
211333
203745
212365
326265
375138
397090
327503
417179
405133
403381
3878240
Oil
2006
ST
DFO
4954
7065
2874
2460
3530
5820
4643
3470
1517
417
333
1006
38089
Natural Gas
2006
ST
NG
2457
382
1512
4172
17296
78026
219743
172384
8470
270
145
9338
514195
Oil
2006
ST
RFO
39636
20233
301
0
349
2721
33237
68536
1254
0
0
9606
175873
Oil
2007
GT
DFO
300
3867
5154
4647
209
7534
2889
14205
6437
1614
139
897
47895
Natural Gas
2007
GT
NG
915
3151
144
728
4826
5495
7583
19538
15920
7284
1338
333
67252
Coal
2007
ST
BIT
393064
356559
196555
266771
360616
393997
379888
384992
241170
215411
405120
388064
3982207
Oil
2007
ST
DFO
3330
6837
4365
3376
3884
4005
5594
7316
4718
2501
1450
7216
54590
Natural Gas
2007
ST
NG
9559
20249
7676
2070
17549
42565
90729
231717
118465
62748
319
20423
624069
Oil
2007
ST
RFO
31025
244643
29927
3083
33
4
0
0
0
0
0
18993
327706
Oil
2008
GT
DFO
12495
2552
0
525
55
8920
1931
828
3694
74
955
4224
36253
Natural Gas
2008
GT
NG
2234
86
-344
333
111
15051
3523
5537
6250
670
2138
387
35976
Coal
2008
ST
BIT
394013
361306
364373
194229
229225
412099
421084
388361
253481
110840
292588
382601
3804201
Oil
2008
ST
DFO
3490
5290
3457
266
2338
4557
3398
2185
2411
3068
3571
4857
38888
Natural Gas
2008
ST
NG
17120
11832
19457
265
1689
98617
123901
23949
44352
20909
117783
907
480781
Oil
2008
ST
RFO
18926
31085
5372
0
0
1811
0
0
0
0
0
0
57194
Oil
2009
GT
DFO
5759
2353
3740
-236
9
964
3
115
21
1932
0
629
15288
Natural Gas
2009
GT
NG
3
288
533
-1
74
3573
4268
5741
2740
1756
-310
2100
20766
Coal
2009
ST
BIT
358445
278347
197848
297894
388401
348508
376395
346158
255336
290142
232013
331634
3701120
Oil
2009
ST
DFO
11259
6900
6466
1901
836
2803
2789
5607
4187
2165
985
2588
48486
Natural Gas
2009
ST
NG
19470
904
27415
9511
1001
28533
61294
122099
30236
1765
10602
29639
342468
Oil
2009
ST
RFO
38599
0
33245
0
0
0
3442
0
0
0
0
0
75285
Oil
2010
GT
DFO
1180
2363
0
36
77
670
1724
343
696
401
63
5589
13141
Natural Gas
2010
GT
NG
663
1412
-322
9406
6036
10002
25510
12123
11915
2093
81
2895
81815
Coal
2010
ST
BIT
441955
340555
249239
111132
267861
379447
422163
374650
303590
232755
157437
343742
3624524
Oil
2010
ST
DFO
2906
7346
775
1420
3317
4886
5110
6010
5643
3797
1074
4626
46910
Natural Gas
2010
ST
NG
21627
7362
21112
51427
48769
197031
349947
217422
158716
28933
26394
2080
1130822
Oil
2010
ST
RFO
3214
0
0
0
0
0
0
18323
0
0
0
0
21537
Oil
2011
GT
DFO
1713
1339
0
0
1134
1679
2393
164
74
-69
500
-688
8236
Natural Gas
2011
GT
NG
467
1811
-706
3386
2386
8745
25296
7708
136
-209
901
-44
49880
Coal
2011
ST
BIT
399354
296039
341801
240868
190431
279395
390932
356311
150615
236182
293173
171338
3346438
Oil
2011
ST
DFO
3081
1829
1362
1393
3717
4362
2039
3541
2686
3078
640
1076
28805
Natural Gas
2011
ST
NG
7753
1382
513
36371
102813
126702
272960
101154
92922
890
1949
844
746253
Oil
2011
ST
RFO
3916
0
0
0
0
0
13094
0
0
0
0
0
17010
Oil
2012
GT
DFO
153
-174
-7
0
499
68
226
0
45
13
-110
-109
604
Natural Gas
2012
GT
NG
213
-1
-266
2121
8009
9689
16822
0
5480
614
-557
-553
41571
Coal
2012
ST
BIT
34114
0
0
39493
115360
82562
236930
170611
131509
242741
368385
204483
1626188
Oil
2012
ST
DFO
1902
-4326
1161
593
642
2077
741
728
1710
1264
328
786
7607
Natural Gas
2012
ST
NG
483
-1585
221000
635079
615631
201081
352983
283486
182735
161568
195390
96022
2943873
Oil
2012
ST
RFO
0
0
0
0
0
0
0
0
0
0
0
0
0

Unit Type: GT = gas turbine; CT = combustion turbine; ST = steam turbine; IC = internal combustion

Fuel Type: BFG=Bast Furnace Natural Gas; BIT=Coal; BLQ=Black Liquor; DFO=Oil; FO2=Oil; FO6=Oil; JF=Oil; KER=Oil; LFG=Biomass; MSB=Municipal Solid Waste; MSN=Municipal Solid Waste; MSW=Municipal Solid Waste; NG=Natural Gas; NUC=Nuclear; OBL=Biomass; OIL=Oil; OTH=Other; PG=Oil; REF=Municipal Solid Waste; RFO=Oil; SC=Coal; SUB=Coal; SUN=Solar; TDF=Other; UR=Nuclear; WAT=Hydropower; WC=Coal; WDL=Biomass; WDS=Biomass; WND=Wind; WO=Oil


Return to the Maryland DNR Home Page
Return to the Power Plant Research Program Page
Return to the PPRP Program Activities Page
This page was updated on June 30, 2013.