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Table 5. Estimated Purchase Price of Ballast Water Treatment Systems
Type of Unit
Base Price
Bulk Price
Filtration and UV Light
$ 933,333
$ 840,000
Filtration and Chemical
$ 946,667
$ 852,000
Deoxygenation and Cavitation
$ 640,000
$ 600,000
Electrolysis & Electrochlorination
$ 666,667
$ 600,000
Filtration, Deoxygenation & Cavitation**
$ -
$ -
**Not enough data found on Filtration, Deoxygenation & Cavitation Systems to include
We also analyzed the range of costs to install these systems. The range of costs outlined in Table
6 is based on an analysis of six installation options, including:
New Build - U.S. Yard
New Build - Foreign (Asian) Yard
Shore-based Retrofit -U.S. Yard
Shore-based Retrofit - Foreign (Asian) Yard
Retrofit While Ship is in Service - U.S. Vessel/Installation
Retrofit While Ship is in Service - Foreign Vessel/Installation
It is important to note here that installation costs will vary widely even within a particular ship
type/size depending on the characteristics of individual ship and space and other requirements of
specific types of BWTS. The installation cost estimates provided here can be viewed as
“typical,” but they were based on installing a single system aboard eight particular ships that
were selected as being “typical” of ships in each of our eight ship categories.
The most critical factor affecting BWTS installation costs is the space requirements of the
BWTS and whether various components of a particular BWTS can be located in a single location
on the ship or need to be placed in separate locations and linked together. Because of “footprint
problems” many BWTS vendors offer modular systems that can be installed wherever there is
adequate space and connected together. While these modular features make them potential
candidates for installation aboard more types and sizes of ships, taking advantage of these
modular features can add significantly to installation costs.