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Jefferies Generating Station - Hydro 1, 2, 3, 4, 6
Beginning over a half century ago, these units marked the
foundation of the Santee Cooper generating system, the nation's
first state-owned hydroelectric and navigation project. The
units are part of the first hydroelectric project constructed
in a tidal area, and the first diversion in the U.S. of one
river (Santee) to another (Cooper) for power generation and
navigation.
Jeffries Hydro Powerhouse Tour Brochure.pdf (1.2 meg)
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Jefferies Generating Station - Steam 1, 2, 3, 4
By the early 1950s the increasing demand for Santee Cooper power
led to the construction of two oil-fired units adjacent to Jefferies
Hydro Station on the Tailrace Canal. Though seldom used because
of higher fuel costs as compared to coal, these units provide
power during extreme demand times for electric power, a role
also played by combustion turbines. Units 3 and 4 were added
nearly 30 years ago.
Jeffries Steam Powerhouse Tour Brochure.pdf (1.2 meg)
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Winyah Generating Station - Steam 1, 2, 3, 4
When it was built, Winyah was Santee Cooper's most ambitious
generating project. The first unit was placed into service more
than 20 years ago. That first unit is now a state-of-the art
unit after being refurbished in 1995. Units 3 and 4 were the
first units in the Southeast to have "scrubbers" which
help hold down emissions into the environment.
Winyah Powerhouse Tour Brochure.pdf (1.2 meg)
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Cross
Generating Station - Steam 1 and 2
Engineers chose to build Unit 2 at Cross first, with the
unit coming online in 1983. Cross Unit 1, authorized by the
Santee Cooper Board of Directors in 1990, came online in May
1995, ahead of schedule and under budget. While the newer
unit is essentially a companion unit to the first unit, Cross
1 generates 20 more megawatts of power.
Cross Powerhouse Tour Brochure.pdf (1.2 meg)
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Grainger Generating Station - Steam 1 and 2
The Grainger Generating Station is unique in that while it
is operated by Santee Cooper, it is owned by Central Electric
Power Cooperative. Columbia-based Central is Santee Cooper's
largest wholesale customer, sells power generated by Santee
Cooper to 15 of the state's 20 electric co-ops in 35 counties
in the state. When Santee Cooper makes the final payment on
Grainger early in the next decade, it will belong to Santee
Cooper.
Grainger Powerhouse Tour Brochure.pdf (1.2 meg)
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V.C. Summer Nuclear Generating Station
In a unique and beneficial project to Santee Cooper and investor-owned
S.C. Electric & Gas Co., Santee Cooper owns one-third
of the 14-year-old nuclear station. It is regularly cited
by the federal Nuclear Regulatory Commission as one of the
best operated nuclear facilities in the country.
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Rainey Generating Station (Iva, South Carolina)
The first phase of the Rainey Generating Station, a 500-megawatt combined cycle unit,
began commercial operation on Jan. 1, 2002. By May 2002, two 150-MW simple-cycle combustion
turbines were also in service. The Rainey Station is fueled by natural gas, Santee Cooper's
first facility with gas as its primary fuel source.
Rainey Powerhouse Tour Brochure.pdf (1.2 meg)
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Combustion Turbine Units
Combustion Turbine 1, 2, 3, 4, 5 (Myrtle Beach) When the fast-growing Grand Strand area demands power at peak times,
these combustion turbines fill the bill. Operating much like engines
on jet aircraft, they can quickly be brought online. The first CTs
on the Grand Strand were placed into service nearly 35 years ago,
with susequent units added in the early and mid-1970s. Combustion
turbines provide reserve capacity, remaining on stand-by because
turbine fuel costs more than coal.
Combustion Turbine 1, 2, 3 (Hilton Head Island) Power for Palmetto Electric Co-op is enhanced by the availability
of these CTs, which have been online for nearly a quarter century.
Beaufort County is one of the Southeast's fastest growing areas
and Santee Cooper, working with the co-op, must have the ability
to provide adequate power as demand increases
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