Cooke Hydroelectric Plant, Substation, Cook Dam Road at Au Sable River...
Significance: The outdoor Substation houses transformers which step up the electrical current produced at Cooke to 46,000 volts, in preparation for transmission to the nearby Iosco-Loud lines. It apparently rep... More
Pennsylvania-New Jersey Interconnection Bushkill to Roseland Transmiss...
Significance: The creation of the 210-mile-long transmission line known as the Pennsylvania-New Jersey Interconnection (PNJ) was a significant step in the extension of efficient and reliable electrical supply t... More
Portland General Electric Company, Stephens Substation, 1841 Southeast...
Survey number: HAER OR-12-N Building/structure dates: 1929 Initial Construction
Yakima Valley Transportation Company Interurban Railroad, Main Power S...
Survey number: HAER WA-13-B Public domain photograph of electric locomotive, electrified railroads, free to use, no copyright restrictions image - Picryl description Public domain photograph of electric powe... More
U.S. Naval Base, Pearl Harbor, Marine Railway No. 2 Machine House & Su...
Significance: It functioned as the winch for the Marine Railway No. 2, which was a repair cradle for Pearl Harbor. The Marine Railway No. 2, with its rails, cradle, and superstructure of steel beams and steel g... More
Portland General Electric Company, Station "L", 1841 Southeast Water S...
Significance: Station "L" is primarily a group of six structures designed and built by the Portland General Electric Company between 1910 and 1929. The Station represents the growth and the use of Portland Gen... More
Portland General Electric Company, Station "L", 1841 Southeast Water S...
Significance: Station "L" is primarily a group of six structures designed and built by the Portland General Electric Company between 1910 and 1929. The Station represents the growth and the use of Portland Gen... More
Portland General Electric Company, Station "L", 1841 Southeast Water S...
Significance: Station "L" is primarily a group of six structures designed and built by the Portland General Electric Company between 1910 and 1929. The Station represents the growth and the use of Portland Gen... More
Portland General Electric Company, Station "L", 1841 Southeast Water S...
Significance: Station "L" is primarily a group of six structures designed and built by the Portland General Electric Company between 1910 and 1929. The Station represents the growth and the use of Portland Gen... More
New York, New Haven & Hartford Railroad, Automatic Signalization Syste...
Significance: This system is one of the few automatic semaphore signal installations still in use on a major railroad in the United States. It was a major element in the first large-scale application of high-v... More
Bonneville Power Administration Burley Substation, 1221 Albion Avenue,...
Significance: The Burley Substation is significant as a distribution component of the United States Reclamation Service's Minidoka Project, which pioneered agricultural development and the market for commercial... More
Bonneville Power Administration Burley Substation, 1221 Albion Avenue,...
Significance: The Burley Substation is significant as a distribution component of the United States Reclamation Service's Minidoka Project, which pioneered agricultural development and the market for commercial... More
Bonneville Power Administration Burley Substation, 1221 Albion Avenue,...
Significance: The Burley Substation is significant as a distribution component of the United States Reclamation Service's Minidoka Project, which pioneered agricultural development and the market for commercial... More
Bonneville Power Administration Burley Substation, 1221 Albion Avenue,...
Significance: The Burley Substation is significant as a distribution component of the United States Reclamation Service's Minidoka Project, which pioneered agricultural development and the market for commercial... More
Bonneville Power Administration South Bank Substation, I-84, South of ...
Significance: South Bank Substation was one of the first substations constructed by the Bonneville Power Administration. It is historically significant because it served to energize the BPA's first transmissio... More
U.S. Naval Air Station, Pumphouse, Center Avenue, Pensacola, Escambia ...
Significance: Building No. 636-A is situated within the boundaries of the Pensacola Naval Air Station Historic District, which is listed in the National Register of Historic Places and has also been designated ... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Detroit Edison Hart Substation, 11736 East Vernor, Detroit, Wayne Coun...
Significance: The Detroit Edison Hart Substation is typical of the kind of electrical substations built for the Detroit Edison Company in the early 20th century to step down (reduce) high voltage incoming elect... More
Detroit Edison Hart Substation, 11736 East Vernor, Detroit, Wayne Coun...
Significance: The Detroit Edison Hart Substation is typical of the kind of electrical substations built for the Detroit Edison Company in the early 20th century to step down (reduce) high voltage incoming elect... More
Detroit Edison Hart Substation, 11736 East Vernor, Detroit, Wayne Coun...
Significance: The Detroit Edison Hart Substation is typical of the kind of electrical substations built for the Detroit Edison Company in the early 20th century to step down (reduce) high voltage incoming elect... More
Nevada Test Site, Environmental Protection Agency Farm, Power Substati...
Survey number: HABS NV-28-G Public domain photograph of electric power generation, power lines, free to use, no copyright restrictions image - Picryl description
Beale Air Force Base, Perimeter Acquisition Vehicle Entry Phased-Array...
Significance: Building 5770 is an ancillary structure at the PAVE PAWS compound on Beale Air Force Base. The Air Force constructed the electric substation in 1977-79. Survey number: HAER CA-319-K Building/str... More
Utah Power Company, Granite Hydroelectric Plant, Holladay, Salt Lake C...
Survey number: HAER UT-4 Building/structure dates: 1896 Initial Construction
Mesta 160-Inch Plate Mill, Defense Plant Corporation, Homestead Works,...
See also HAER PA-200-F for additional documentation. Includes photographs. See also HAER PA-343 for related documentation. Includes written data. Significance: Rated with an annual capacity of six hundred thous... More
Yakima Valley Transportation Company Interurban Railroad, Wide Hollow ...
Survey number: HAER WA-13-E Public domain photograph related to electrical equipment, industrial development, free to use, no copyright restrictions image - Picryl description
Portland General Electric Company, Stephens Substation, 1841 Southeast...
Survey number: HAER OR-12-N Building/structure dates: 1929 Initial Construction
Portland General Electric Company, Stephens Substation, 1841 Southeast...
Survey number: HAER OR-12-N Building/structure dates: 1929 Initial Construction
Yakima Valley Transportation Company Interurban Railroad, Main Power S...
Survey number: HAER WA-13-B Public domain photograph of electric locomotive, electrified railroads, free to use, no copyright restrictions image - Picryl description
Portland General Electric Company, Station "L", 1841 Southeast Water S...
Significance: Station "L" is primarily a group of six structures designed and built by the Portland General Electric Company between 1910 and 1929. The Station represents the growth and the use of Portland Gen... More
Portland General Electric Company, Station "L", 1841 Southeast Water S...
Significance: Station "L" is primarily a group of six structures designed and built by the Portland General Electric Company between 1910 and 1929. The Station represents the growth and the use of Portland Gen... More
Milwaukee Light, Heat & Traction Company, 8336 West Lapham Street, Wes...
Significance: A turn of the century objective of The Milwaukee Electric Railway and Light Company, through its subsidiary The Milwaukee Light Heat and Traction Company, was to establish an interurban rail syste... More
Milwaukee Light, Heat & Traction Company, 8336 West Lapham Street, Wes...
Significance: A turn of the century objective of The Milwaukee Electric Railway and Light Company, through its subsidiary The Milwaukee Light Heat and Traction Company, was to establish an interurban rail syste... More
Milwaukee Light, Heat & Traction Company, 8336 West Lapham Street, Wes...
Significance: A turn of the century objective of The Milwaukee Electric Railway and Light Company, through its subsidiary The Milwaukee Light Heat and Traction Company, was to establish an interurban rail syste... More
Milwaukee Light, Heat & Traction Company, 8336 West Lapham Street, Wes...
Significance: A turn of the century objective of The Milwaukee Electric Railway and Light Company, through its subsidiary The Milwaukee Light Heat and Traction Company, was to establish an interurban rail syste... More
Milwaukee Light, Heat & Traction Company, 8336 West Lapham Street, Wes...
Significance: A turn of the century objective of The Milwaukee Electric Railway and Light Company, through its subsidiary The Milwaukee Light Heat and Traction Company, was to establish an interurban rail syste... More
Milwaukee Light, Heat & Traction Company, 8336 West Lapham Street, Wes...
Significance: A turn of the century objective of The Milwaukee Electric Railway and Light Company, through its subsidiary The Milwaukee Light Heat and Traction Company, was to establish an interurban rail syste... More
Milwaukee Light, Heat & Traction Company, 8336 West Lapham Street, Wes...
Significance: A turn of the century objective of The Milwaukee Electric Railway and Light Company, through its subsidiary The Milwaukee Light Heat and Traction Company, was to establish an interurban rail syste... More
New York, New Haven & Hartford Railroad, Automatic Signalization Syste...
Significance: This system is one of the few automatic semaphore signal installations still in use on a major railroad in the United States. It was a major element in the first large-scale application of high-v... More
New York, New Haven & Hartford Railroad, Automatic Signalization Syste...
Significance: This system is one of the few automatic semaphore signal installations still in use on a major railroad in the United States. It was a major element in the first large-scale application of high-v... More
New York, New Haven & Hartford Railroad, Automatic Signalization Syste...
Significance: This system is one of the few automatic semaphore signal installations still in use on a major railroad in the United States. It was a major element in the first large-scale application of high-v... More
Delaware Street Tramway Power Sub-Station, 1448 Delaware Street, Denve...
Significance: It is significant for its association with the growth and development of Denver's tramway trolley system, a major transportation system during the first half of the 20th century. This substation w... More
Portland General Electric Company, Turbine Building, 1841 Southeast Wa...
Survey number: HAER OR-12-H Building/structure dates: 1910 Initial Construction Building/structure dates: 1924 Subsequent Work
MacDill Air Force Base, Electrical Sub-Station Vault, 7526 Hanger Loop...
Significance: the Electrical Sub-Station Vault, due to its architectural integrity and its contribution to the Second World War-era infrastructure, is an integral part of MacDill Air Force Base's historic char... More
MacDill Air Force Base, Electrical Sub-Station Vault, 7526 Hanger Loop...
Significance: the Electrical Sub-Station Vault, due to its architectural integrity and its contribution to the Second World War-era infrastructure, is an integral part of MacDill Air Force Base's historic char... More
Bonneville Power Administration Burley Substation, 1221 Albion Avenue,...
Significance: The Burley Substation is significant as a distribution component of the United States Reclamation Service's Minidoka Project, which pioneered agricultural development and the market for commercial... More
Bonneville Power Administration South Bank Substation, I-84, South of ...
Significance: South Bank Substation was one of the first substations constructed by the Bonneville Power Administration. It is historically significant because it served to energize the BPA's first transmissio... More
Bonneville Power Administration South Bank Substation, I-84, South of ...
Significance: South Bank Substation was one of the first substations constructed by the Bonneville Power Administration. It is historically significant because it served to energize the BPA's first transmissio... More
Hardy Hydroelectric Plant, 6928 East Thirty-sixth Street, Newaygo, New...
Significance: Consumers Power Company built the Hardy Hydroelectric Plant in the early 1930s as a link in its system of electric power generation. In designing and building Hardy, the company found a way to ere... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Rogue River Valley, Electric Power Substation, 225 West California Str...
Survey number: HABS OR-116 Public domain photograph of electric power generation, power lines, free to use, no copyright restrictions image - Picryl description
Portland General Electric Company, Pepco Building, 1841 Southeast Wate...
Survey number: HAER OR-12-A Building/structure dates: 1927 Initial Construction
Utah Power Company, Granite Hydroelectric Plant, Holladay, Salt Lake C...
Survey number: HAER UT-4 Building/structure dates: 1896 Initial Construction
Fitzsimons General Hospital, Transformer House, North Page Street, imm...
Survey number: HABS CO-172-AU Building/structure dates: 1944 Initial Construction
Mesta 160-Inch Plate Mill, Defense Plant Corporation, Homestead Works,...
See also HAER PA-200-F for additional documentation. Includes photographs. See also HAER PA-343 for related documentation. Includes written data. Significance: Rated with an annual capacity of six hundred thous... More
Mallinckrodt Chemical Works, Building No. 100, Corner of Hall & Destre...
Survey number: HABS MO-1929-H Public domain photograph - historical image of Missouri, United States, free to use, no copyright restrictions image - Picryl description
Croton Hydroelectric Plant, Substation, Croton Dam Road at Muskegon Ri...
Significance: The Croton Hydroelectric Plant substation was constructed in 1930-31 to replace the original switching equipment and transformers built in 1908 and located inside of the original powerhouse. This... More
U.S. Naval Base, Pearl Harbor, Marine Railway No. 2 Machine House & Su...
Significance: It functioned as the winch for the Marine Railway No. 2, which was a repair cradle for Pearl Harbor. The Marine Railway No. 2, with its rails, cradle, and superstructure of steel beams and steel g... More
Portland General Electric Company, Station "L", 1841 Southeast Water S...
Significance: Station "L" is primarily a group of six structures designed and built by the Portland General Electric Company between 1910 and 1929. The Station represents the growth and the use of Portland Gen... More
Portland General Electric Company, Station "L", 1841 Southeast Water S...
Significance: Station "L" is primarily a group of six structures designed and built by the Portland General Electric Company between 1910 and 1929. The Station represents the growth and the use of Portland Gen... More
Portland General Electric Company, Station "L", 1841 Southeast Water S...
Significance: Station "L" is primarily a group of six structures designed and built by the Portland General Electric Company between 1910 and 1929. The Station represents the growth and the use of Portland Gen... More
Frankfort Coast Guard Station, Radio Control House, Second Street at s...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
New York, New Haven & Hartford Railroad, Automatic Signalization Syste...
Significance: This system is one of the few automatic semaphore signal installations still in use on a major railroad in the United States. It was a major element in the first large-scale application of high-v... More
Delaware Street Tramway Power Sub-Station, 1448 Delaware Street, Denve...
Significance: It is significant for its association with the growth and development of Denver's tramway trolley system, a major transportation system during the first half of the 20th century. This substation w... More
Delaware Street Tramway Power Sub-Station, 1448 Delaware Street, Denve...
Significance: It is significant for its association with the growth and development of Denver's tramway trolley system, a major transportation system during the first half of the 20th century. This substation w... More
MacDill Air Force Base, Electrical Sub-Station Vault, 7526 Hanger Loop...
Significance: the Electrical Sub-Station Vault, due to its architectural integrity and its contribution to the Second World War-era infrastructure, is an integral part of MacDill Air Force Base's historic char... More
Bonneville Power Administration South Bank Substation, I-84, South of ...
Significance: South Bank Substation was one of the first substations constructed by the Bonneville Power Administration. It is historically significant because it served to energize the BPA's first transmissio... More
Bonneville Power Administration South Bank Substation, I-84, South of ...
Significance: South Bank Substation was one of the first substations constructed by the Bonneville Power Administration. It is historically significant because it served to energize the BPA's first transmissio... More
U.S. Naval Air Station, Pumphouse, Center Avenue, Pensacola, Escambia ...
Significance: Building No. 636-A is situated within the boundaries of the Pensacola Naval Air Station Historic District, which is listed in the National Register of Historic Places and has also been designated ... More
U.S. Naval Air Station, Pumphouse, Center Avenue, Pensacola, Escambia ...
Significance: Building No. 636-A is situated within the boundaries of the Pensacola Naval Air Station Historic District, which is listed in the National Register of Historic Places and has also been designated ... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Delaware County Electric Company, Chester Station, Delaware River at S...
Significance: It is a monument to the production and marketing of electricity in early 20th-century America. Wartime demand for light and power led Philadelphia Electric to commission the plant for the company'... More
Over-the-Horizon Backscatter Radar Network, Moscow Radar Site Transmit...
Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.
Utah Power Company, Granite Hydroelectric Plant, Holladay, Salt Lake C...
Survey number: HAER UT-4 Building/structure dates: 1896 Initial Construction
Yakima Valley Transportation Company Interurban Railroad, Wide Hollow ...
Survey number: HAER WA-13-E Public domain photograph of electric industrial equipment, free to use, no copyright restrictions image - Picryl description
Portland General Electric Company, Stephens Substation, 1841 Southeast...
Survey number: HAER OR-12-N Building/structure dates: 1929 Initial Construction
Portland General Electric Company, Stephens Substation, 1841 Southeast...
Survey number: HAER OR-12-N Building/structure dates: 1929 Initial Construction
Portland General Electric Company, Stephens Substation, 1841 Southeast...
Survey number: HAER OR-12-N Building/structure dates: 1929 Initial Construction
U.S. Naval Base, Pearl Harbor, Marine Railway No. 2 Machine House & Su...
Significance: It functioned as the winch for the Marine Railway No. 2, which was a repair cradle for Pearl Harbor. The Marine Railway No. 2, with its rails, cradle, and superstructure of steel beams and steel g... More
U.S. Naval Base, Pearl Harbor, Marine Railway No. 2 Machine House & Su...
Significance: It functioned as the winch for the Marine Railway No. 2, which was a repair cradle for Pearl Harbor. The Marine Railway No. 2, with its rails, cradle, and superstructure of steel beams and steel g... More
Cape Canaveral Air Station, Launch Complex 17, Facility 36003, East en...
Survey number: HAER FL-8-5-AA Building/structure dates: 1956 Initial Construction National Register of Historic Places NRIS Number: 84003872