State-of-the-Art Mulberry Cogeneration Facility

Authors

  • Donald C. Gray Black & Veatch Partner
  • Robert A. Wierschem CSW Services Director of Engineering and Construction Services
  • William M. Jasper CSW Energy Director of Engin eering

DOI:

https://doi.org/10.13052/dgaej2156-3306.1225

Abstract

The Mulberry Cogeneration Facility is notable in the
power industry. Among the features that make this 120 MW
facility stand apart from other power plants are zero discharge
wastewater system, an inlet air chilling system, and an exten-
sive Distributed Control System (DCS) for overall plant opera-
tion, along with a 25 ppm NO x dry emission limit on gas fuel for
the first 3 years and 15 ppm thereafter.
The Mulberry Cogeneration Facility is owned by Polk Power
Partners Ltd. (Central and South West Energy of Dallas and ARK
Energy of Laguna Hills, California). The Plant is operated by CSW
Energy. Central and South West Services acted as the EPC contractor,
and retained Black & Veatch to provide engineering and procurement
services, construction liaison, and start-up support .
The facility , located near Bartow, Florida, consists of a single
combustion turbine/heat recovery steam generator (HRSG)/steam tur-
bine combined cycle. It provides electric power to nearby Tampa Elec-
tric and Florida Power Corporation, and up to 25,000 lb/h of process
steam to an adjacent steam host facility that was also developed by the
partnership . The Mulberry Cogeneration Facility began commercial
operation on August 10, 1994.

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Author Biographies

Donald C. Gray, Black & Veatch Partner

Donald C. Gray is a partner in the Black & Veatch Energy
Group's Power Division, and serves as partner-in-charge on turnkey
and traditional engineering design assignments. He recently directed
engineering and procurement functions for Euran's 500 MW Combined
Cycle Marmara Project, a globally sourced project located west of
Istanbul, Turkey. BVI provided these services on a fixed-price basis
with schedule and perform guarantees . He also has responsibility of
BVI activities in Japan and the development of EPC projects for the
emerging IPP market in that country. Clients include Nippon Steel,
Chiyoda, Mitsubishi Corporation, Mitsubishi Heavy Industries and
Kobe Steel.
Serving Central and South West Services, Inc., on their 120 MW
combined cycle cogeneration facility located near Bartow, Florida, he
managed engineering and purchasing activities for the plant which
achieved commercial operation in Summer 1994. Mr. Gray also serves
as partner-in-charge for several projects in Venezuela, including basic
engineering on the 1,300 MW Curupao combined plant for Electricidad
de Caracas and a rehabilitation study of 35 combustion turbines for
CADAFE, a state-owned electric utility. In the same capacity, he is
responsible for technical support oflicensing for the ARK Energy/CSW
Energy 150 MW combined cycle, 15,000,000 gal/year, ethanol cogen-
eration facility in Sacramento, California; and the technical feasib ility
and cost estimating services for repowering of Portland General
Electric's 600 MW Beaver Station.
For the 320 MW Hardee County Combined Cycle Project which
began commercial operation in 1992, he managed the Black & Veatch
design, equipment supply, and start-up activities. For New England
Power's 450 MW repowering of the Manchester Street Station, Mr.
Gray directed turbine procurement and the development of plant de-
tailed designs and turnkey specifications. Other assignments include feasibility studies, conceptual designs, and licensing for various clients
including Duke Power, Carolina Power & Light, and Idaho Power.
For multiple TV Electric Company combustion turbine projects in
the late 1980s, Mr. Gray was responsible for all engineering, procure-
ment, and construction documents required to install 1,200 MW of
generating capacity at three sites. In addition to combustion turbines,
the station designs include fuel oil treatment, reverse osmosis and
demineralization water treatment systems, provisions for future con-
version to combined cycle, and other balance-of-plant facilities .

Robert A. Wierschem, CSW Services Director of Engineering and Construction Services



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Published

1997-03-22

How to Cite

Gray, D. C. ., Wierschem, R. A. ., & Jasper, W. M. . (1997). State-of-the-Art Mulberry Cogeneration Facility. Distributed Generation &Amp; Alternative Energy Journal, 12(2), 36–50. https://doi.org/10.13052/dgaej2156-3306.1225

Issue

1997: Vol 12 Iss 2

Section

Articles