Conowingo
Conowingo's powerhouse and dam

Aerial view of Conowingo's powerhouse and dam

Location:

  • Harford County

Ownership:

  • Exelon

Fuel Types:

  • Water

Number of Units:

  • 11 Francis-type Turbines

Capacity (MW):

  • 572

Dam Information:

  • Average height of 94 feet; total length of 4648 feet

Date Online:

  • March 1928

Aquatic Species Protection:

  • Conowingo has two fish lifts to pass American shad and other migratory species.

Units
Unit #
Online Date
Nameplate Capacity
Unit Type
Fuels
1
1928
45
HY
Water
2
1928
36
HY
Water
3
1928
48
HY
Water
4
1928
47.7
HY
Water
5
1928
36
HY
Water
6
1928
47.7
HY
Water
7
1928
48
HY
Water
8
1964
55.6
HY
Water
9
1964
55.6
HY
Water
10
1964
55.6
HY
Water
11
1964
55.6
HY
Water

Annual Monthly Generation
Fuel Category
Year
Unit Type
Fuel Description
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Annual
Hydropower
2001
WAT
71279
151827
216382
289493
76066
94239
43247
19139
32930
33774
27031
109826
1165233
Hydropower
2002
WAT
67109
162971
158913
198043
285326
184806
44711
18540
18988
116135
174759
207813
1638114
Hydropower
2003
HY
WAT
179163
119512
296640
277387
197680
276414
122464
182016
201743
193385
250214
301403
2598021
Hydropower
2004
HY
WAT
201257
122589
294814
296996
267120
133194
130169
202382
197104
193496
147578
287318
2474017
Hydropower
2005
HY
WAT
260824
202690
210744
239380
96476
57849
60142
23962
28502
135584
168308
205402
1689863
Hydropower
2006
HY
WAT
327129
217652
135949
147974
127193
154695
177811
71501
149499
155866
261472
159450
2086191
Hydropower
2007
HY
WAT
264151
74018
298309
281658
148579
54737
32665
48649
25487
45636
120692
235109
1629690
Hydropower
2008
HY
WAT
284981
285138
310672
245901
220173
68684
56708
39849
38907
39952
67255
249826
1908046
Hydropower
2009
HY
WAT
150648
152939
207434
198311
177438
159571
94857
150648
63868
139562
144540
227196
1867012
Hydropower
2010
HY
WAT
188794
131257
268223
187374
152312
76668
43420
41913
31483
173422
139170
211323
1645359
Hydropower
2011
HY
WAT
67687
148677
337937
318274
325768
149786
59230
82071
214048
296990
211373
306611
2518452
Hydropower
2012
HY
WAT
253608
168187
202344
108872
228019
128602
40082
48020
50392
85767
142152
183087
1639132

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


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This page was updated on June 30, 2013.