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Martinsville City of Martinsville - (VA) · Map record · Henry, VA
Henry, VA PJM
Registry record
1.3 MW Plant nameplate capacity
Marys Lake U S Bureau of Reclamation · Map record · Larimer, CO Larimer, CO SPP
Registry record
8.1 MW Plant nameplate capacity
Mascoma Hydro Green Mountain Power Corp · Map record · Grafton, NH Grafton, NH ISO-NE
Registry record
1.5 MW Plant nameplate capacity
Matilda Hamilton Fee Hydroelectric Stati Lock 12 Hydro Partners, LLC · Map record · Estill, KY Estill, KY PJM
Registry record
2.5 MW Plant nameplate capacity
McClure Dam Upper Peninsula Power Company · Map record · Marquette, MI Marquette, MI MISO
Registry record
8 MW Plant nameplate capacity
Mcindoes Great River Hydro, LLC · Map record · Caledonia, VT Caledonia, VT ISO-NE
Registry record
10.4 MW Plant nameplate capacity
McNary USACE Northwestern Division · Facility profile · Umatilla, OR Umatilla, OR BPA
Registry record
850.5 MW Plant nameplate capacity
McNary Dam Fish Attraction Project Northern Wasco County PUD - (OR) · Map record · Benton, WA Benton, WA BPA
Registry record
10 MW Plant nameplate capacity
McPhee U S Bureau of Reclamation · Map record · Montezuma, CO Montezuma, CO SPP
Registry record
1.2 MW Plant nameplate capacity
McSwain Merced Irrigation District · Map record · Mariposa, CA Mariposa, CA CAISO
Registry record
9 MW Plant nameplate capacity
Mechanic Falls KEI (Maine) Power Management (IV) LLC · Map record · Androscoggin, ME Androscoggin, ME ISO-NE
Registry record
1.4 MW Plant nameplate capacity
Mechanicville Hydroelectric Station Albany Engineering Corporation · Map record · Saratoga, NY Saratoga, NY NYISO
Registry record
4 MW Plant nameplate capacity
Medway Hydro Brookfield Black Bear Hydro, LLC · Map record · Penobscot, ME Penobscot, ME ISO-NE
Registry record
4 MW Plant nameplate capacity
Meldahl Hydroelectric Project City of Hamilton - (OH) · Facility profile · Bracken, KY Bracken, KY PJM
Registry record
105 MW Plant nameplate capacity
Melton Hill Tennessee Valley Authority · Map record · Loudon, TN Loudon, TN TVA
Registry record
72 MW Plant nameplate capacity
Menominee Mill Marinette Eagle Creek Renewable Energy, LLC · Map record · Menominee, MI Menominee, MI MISO
Registry record
1.8 MW Plant nameplate capacity
Menomonie Northern States Power Co - Minnesota · Map record · Dunn, WI Dunn, WI MISO
Registry record
5.4 MW Plant nameplate capacity
Merced Falls Merced Irrigation District · Map record · Merced, CA Merced, CA CAISO
Registry record
3.4 MW Plant nameplate capacity
Merrill Wisconsin Public Service Corp · Map record · Lincoln, WI Lincoln, WI MISO
Registry record
2.3 MW Plant nameplate capacity
Messalonskee 2 (Oakland) Messalonskee Stream Hydro LLC · Map record · Kennebec, ME Kennebec, ME ISO-NE
Registry record
2.8 MW Plant nameplate capacity
Messalonskee 3 Messalonskee Stream Hydro LLC · Map record · Kennebec, ME Kennebec, ME ISO-NE
Registry record
1.6 MW Plant nameplate capacity
Messalonskee 5 Messalonskee Stream Hydro LLC · Map record · Kennebec, ME Kennebec, ME ISO-NE
Registry record
1.8 MW Plant nameplate capacity
Metropolitan Sewerage District Metropolitan Sewerage District · Map record · Buncombe, NC Buncombe, NC Duke Progress East
Registry record
1.6 MW Plant nameplate capacity
Michigamme Falls Wisconsin Electric Power Co · Map record · Iron, MI Iron, MI MISO
Registry record
9.6 MW Plant nameplate capacity
Middle Falls Hydro Boralex Hydro Operations Inc · Map record · Washington, NY Washington, NY NYISO
Registry record
2.2 MW Plant nameplate capacity
Middle Fork Placer County Water Agency - (CA) · Map record · Placer, CA Placer, CA CAISO
Registry record
122.4 MW Plant nameplate capacity
Middle Fork Irrigation District Middle Fork Irrigation Dist · Map record · Hood River, OR Hood River, OR BPA
Registry record
3.3 MW Plant nameplate capacity
Middlesex 2 Green Mountain Power Corp · Map record · Washington, VT Washington, VT ISO-NE
Registry record
3.2 MW Plant nameplate capacity
Milford Hydro Station Brookfield Black Bear Hydro, LLC · Map record · Penobscot, ME Penobscot, ME ISO-NE
Registry record
7.8 MW Plant nameplate capacity
Mill C New York State Elec & Gas Corp · Map record · Clinton, NY Clinton, NY NYISO
Registry record
5 MW Plant nameplate capacity
Mill Pond Hydro Rivers Electric, LLC · Map record · Greene, NY Greene, NY NYISO
Registry record
0.5 MW Plant nameplate capacity
Millers Ferry USCE-Mobile District · Map record · Wilcox, AL Wilcox, AL Southern
Registry record
101.1 MW Plant nameplate capacity
Millville Hydro Station Eagle Creek Renewable Energy, LLC · Map record · Jefferson, WV Jefferson, WV PJM
Registry record
2.8 MW Plant nameplate capacity
Milton Green Mountain Power Corp · Map record · Chittenden, VT Chittenden, VT ISO-NE
Registry record
7.4 MW Plant nameplate capacity
Milton Hydro SFR Hydro Cor · Map record · Strafford, NH Strafford, NH ISO-NE
Registry record
1.4 MW Plant nameplate capacity
Mine Falls Generating Station City of Nashua - (NH) · Map record · Hillsborough, NH Hillsborough, NH ISO-NE
Registry record
3 MW Plant nameplate capacity
Minetto Erie Boulevard Hydropower LP · Map record · Oswego, NY Oswego, NY NYISO
Registry record
10 MW Plant nameplate capacity
Minidoka U S Bureau of Reclamation · Map record · Minidoka, ID Minidoka, ID BPA
Registry record
27.7 MW Plant nameplate capacity
Mio Consumers Energy Co - (MI) · Map record · Oscoda, MI Oscoda, MI MISO
Registry record
5 MW Plant nameplate capacity
Mission Northbrook Carolina Hydro II, LLC · Map record · Clay, NC Clay, NC Duke Carolinas
Registry record
1.8 MW Plant nameplate capacity
Misty Rapids Power Hydroelectric Generating Station Map record · Location in profile Location in profile IESO
Registry record
Not disclosed Plant nameplate capacity
Mitchell Dam Alabama Power Co · Map record · Coosa, AL Coosa, AL Southern
Registry record
170 MW Plant nameplate capacity
Moccasin City & County of San Francisco - (CA) · Map record · Tuolumne, CA Tuolumne, CA CAISO
Registry record
103.6 MW Plant nameplate capacity
Moccasin Low Head Hydro Project City & County of San Francisco - (CA) · Map record · Tuolumne, CA Tuolumne, CA CAISO
Registry record
2.9 MW Plant nameplate capacity
Mojave Siphon California Dept. of Water Resources · Map record · San Bernardino, CA San Bernardino, CA CAISO
Registry record
32.7 MW Plant nameplate capacity
Mongaup Falls Eagle Creek Renewable Energy, LLC · Map record · Sullivan, NY Sullivan, NY NYISO
Registry record
7.3 MW Plant nameplate capacity
Monroe (NE) Loup River Public Power Dist · Map record · Platte, NE Platte, NE SPP
Registry record
7.8 MW Plant nameplate capacity
Montgomery Creek Hydro Central Rivers Power US, LLC · Map record · Shasta, CA Shasta, CA CAISO
Registry record
2.6 MW Plant nameplate capacity
Monticello Dam Solano Irrigation District · Facility profile · Solano, CA Solano, CA CAISO
Registry record
11.5 MW Plant nameplate capacity
Arizona: no hydroelectric power plants Colorado: 31 hydroelectric power plants Florida: 1 hydroelectric power plants Georgia: 27 hydroelectric power plants Indiana: 6 hydroelectric power plants Kansas: 1 hydroelectric power plants Maine: 47 hydroelectric power plants Massachusetts: 30 hydroelectric power plants Minnesota: 22 hydroelectric power plants New Jersey: 2 hydroelectric power plants North Carolina: 30 hydroelectric power plants North Dakota: 1 hydroelectric power plants Oklahoma: 6 hydroelectric power plants Pennsylvania 18 hydroelectric power plants South Dakota 4 hydroelectric power plants Texas 16 hydroelectric power plants Wyoming: 14 hydroelectric power plants Connecticut: 14 hydroelectric power plants Missouri 3 hydroelectric power plants West Virginia: 12 hydroelectric power plants Illinois: 4 hydroelectric power plants New Mexico: 4 hydroelectric power plants Arkansas: 9 hydroelectric power plants California 168 hydroelectric power plants Delaware: no hydroelectric power plants District of Columbia: no hydroelectric power plants Hawaii: no hydroelectric power plants Iowa: 4 hydroelectric power plants Kentucky: 9 hydroelectric power plants Maryland: 2 hydroelectric power plants Michigan 51 hydroelectric power plants Mississippi: no hydroelectric power plants Montana: 6 hydroelectric power plants New Hampshire: 31 hydroelectric power plants New York 157 hydroelectric power plants Ohio: 4 hydroelectric power plants Oregon 15 hydroelectric power plants Tennessee: 29 hydroelectric power plants Utah: 4 hydroelectric power plants Virginia 21 hydroelectric power plants Washington 21 hydroelectric power plants Wisconsin: 63 hydroelectric power plants Nebraska: 10 hydroelectric power plants South Carolina: 23 hydroelectric power plants Idaho: 11 hydroelectric power plants Nevada: no hydroelectric power plants Vermont: 45 hydroelectric power plants Louisiana: 1 hydroelectric power plants Rhode Island: 3 hydroelectric power plants VT Vermont: 45 hydroelectric power plants NH New Hampshire: 31 hydroelectric power plants MA Massachusetts: 30 hydroelectric power plants RI Rhode Island: 3 hydroelectric power plants CT Connecticut: 14 hydroelectric power plants NJ New Jersey: 2 hydroelectric power plants DE Delaware: no hydroelectric power plants MD Maryland: 2 hydroelectric power plants DC District of Columbia: no hydroelectric power plants
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Sources and coverage Hydropower directories use registered plants in supported power markets. Pumped-storage operating roles and generation periods remain identified in the facility record.
Geographic directories use the state and city recorded for each asset. Organization groups preserve published names and roles. Utility groups use the utility named in the facility record; individual profiles distinguish service agreements from service-territory matches. Each profile carries the sources and dates behind its facts.