More Power For You.

Niagara Power Transformer produces power and special application transformers for service in the most extreme conditions and demanding applications anywhere in the world.

A LOT HAS CHANGED OVER THE LAST 100 YEARS.

Travel back in time and see what we’ve accomplished.

1924

1924

Our original company, Erie Electric Corp., was founded by John H. Darby, with a borrowed $300 in capital.

1933

1933

Designed and manufactured our first new Niagara industrial transformer.

1943

1943

Designed and manufactured our first new Niagara utility grade transformer.

1957

1957

Strong growth in our company requires expansion of our facilities to a total of 10 buildings.

1977

1977

Expanded into disc winding and on-load tap changing capabilities to support growing utility substation market.

1979

1979

Fred W. Darby becomes second generation company president. Performed first successful short circuit test.

1990

1990

Shipped 70 sealed dry type transformers to Antarctica suitable for -70 degree ambient temperatures.

1999 - 2000

1999

Completed our 75,000th transformer.

2000

John F. Darby becomes third generation company president.

2005

2005

Shipped to our 80th international country.

2013 - 2018

2013 - 2018

Opened our production campus with a $45 million investment in Buffalo, New York.

2019 - 2020

2019

Opened our new $4 million advanced engineering, research, and development center in Buffalo, New York.

2020

Niagara Transformer Corp. evolves into its new name Niagara Power Transformer.

FOCUSED ON THE FUTURE

Having recently invested $50 million into our facilities, including enhanced testing and winding capabilities, we’re focused on the future of the power industry. If there’s anything we’ve learned over our long history, it’s that our real power is giving you confidence in our commitment to quality and safety, engineering depth and experience, design nimbleness, manufacturing excellence and production flexibility, and continuous employee engagement – all while maintaining fast and reliable shipping schedules.

OUR TRANSFORMERS, BY THE NUMBERS

From the test floor to the substation yard, we put our expertise to the ultimate test every day.

TEST FLOOR
FAILURE RATE


0.75%

over the last 10 YEARS

FIELD
FAILURE RATE


0.15%

over the last 13 YEARS

ISO

9001

80





BEST-IN-CLASS QUALITY TRANSFORMERS

Choose from the list of our featured transformer types below.

Voltage Regulator

Voltage Regulators

Voltage regulators can use a variety of on-load tap changing devices to provide this voltage compensation. Up to 200 MVA of through power.

  • Up to 50 MVA base rating
  • Up to 138 kV, 650 kV BIL
  • 3 phase
  • Resistive or reactive on load switch
  • Custom tap voltages available
  • Auto/manual control
  • Local/remote control
  • Forward or reverse power (optional)
  • Line drop compensation (optional)
  • Retrofit of existing equipment (optional)
  • High efficiency
  • Low sound level
Learn More
Industries We Serve

  • Aerospace
  • Automotive
  • Bio Gas Power
  • Cement
  • Chemical
  • Concentrated Solar Power
  • Electric Utilities
  • Electrochemical
  • Electrowinning
  • Export
  • Geothermal
  • Government
  • Laboratories
  • Marine – Offshore
  • Mass Transit
  • Military
  • Mining
  • Nuclear
  • Oil and Gas
  • Petrochemical Power Generation
  • Pulp and Paper
  • Refineries
  • Renewables
  • Specialty
  • Steel
  • Waste Water
  • Wind Energy

Manufacturing Excellence

Niagara Power Transformer is one of the most trusted liquid-filled transformer manufacturers in the world, but we’re not resting on our over 100 years of continuous service. Having recently invested $45 million into our facilities, including enhanced testing and winding capabilities, we’re focused on the future of the power industry. If there’s anything we’ve learned over our long history, it’s that our real power is giving you confidence in our commitment to quality and safety, engineering depth and experience, design nimbleness, manufacturing excellence and production flexibility, and continuous employee engagement – all while maintaining fast and reliable shipping schedules.

Certifications

Small Business certified for Federal Contracting, UL, CUL, RUS, DNV, ABS, Lloyd’s Register, FM UBC, CSA, WEEE, RoHS, RoHS China, CE, IEC, GOST, BS, PIP, KC.

“At our core, Niagara Power Transformer has the best people, taking on the toughest engineering challenges with the highest quality and the shortest lead times.”

John F. Darby, President

RELIABLE RESOURCES

For additional information, industry & company news, answers to FAQs, downloadable documents and more; check out our resource section. View All ResourcesRead FAQ