Capital Cogeneration's Westinghouse 501D5 Gas Turbines



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Capital Cogeneration's Westinghouse 501D5 Gas Turbines

Alternative Title

Capital Cogeneration's W501D5 Turbines


Energy--United States


Capital Cogeneration's 450MW Westinghouse 501D5 (W501D5) gas turbines in Pasadena, Texas. This power plant was built by H. B. Zachry Company from 1983 to 1984 as is considered the first Westinghouse PURPA plant (named in reference to the Public Utility Regulatory Policies Act). The pipe in foreground delivers Qualifying Facility (QF) steam to adjacent chemical plant. The plant is now known as the Clear Lake Power Plant is owned by Calpine Corporation.

Originally called the Westinghouse Electric Company, George Westinghouse (1846-1914) founded his manufacturing company in Pittsburgh, Pennsylvania, on January 8, 1886. In 1889, he renamed his business The Westinghouse Electric and Manufacturing Company. Westinghouse's primary products include turbines, generators, motors and switchgear related to the generation, transmission, and use of electricity. The company changed its name to Westinghouse Electric Corporation in 1945. In 1981, the company began to relocate its division headquarters for the Steam-Turbine Generator Divisions from Pennsylvania (turbines from Lester and generators from Pittsburgh) to Orlando, Florida. The Power Generation Business Unit (PGBU) building was located in The Quadrangle, at 4400 Alafaya Trail. Originally, Westinghouse had purchased a large plot of land for future development that extended westward from Alafaya Trail to Rouse Road. The original headquarters was located on several acres of that land parcel close to Alafaya Trail.

As the PGBU grew in size, other buildings were rented and then, after PGBU was sold to Siemens Corporation, additional buildings were added to the complex. In 1994, after a major corporate management shuffling and commitment to change from an industrial manufacturing company to primarily a broadcasting/communications company, Westinghouse bought the CBS Network and changed its name to the CBS Corporation. As the PGBU grew in size, other buildings were rented and then, after PGBU was sold to Siemens Corporation in 1998, additional buildings were added to the Quadrangle.


Original color photograph: Private Collection of Harry L. Jaeger.

Date Created

ca. 1983-1984


Jaeger, Harry L.

Is Format Of

Digital reproduction of original color photograph.

Is Part Of

Westinghouse Electric Collection, RICHES of Central Florida.




658 KB


1 color photograph


Still Image


Calpine Clear Lake Power Plant, Pasadena, Texas

Accrual Method



History Teacher

Rights Holder

There is no known copyright for this resource, which is provided here by RICHES of Central Florida for educational purposes only.


Jaeger, Harry L.
Cepero, Laura

Digital Collection

External Reference

"CLEAR LAKE POWER PLANT." Calpine Corporation.
"History." Westinghouse Nuclear.
"Westinghouse Power Generation Booklet." RICHES of Central Florida.


“Capital Cogeneration's Westinghouse 501D5 Gas Turbines.” RICHES of Central Florida accessed December 2, 2023,



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