Duke Energy Filed Permit for $6.6M Plant Upgrade
St. Petersburg operators should track this intake screen project intended to align the Bartow plant with federal water laws.
Updated on Oct. 12, 2026 in Utilities

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Duke Energy has applied for a permit to install a fish-return system at its Bartow power plant, representing a $6.6 million capital investment. The project aims to bring the facility into compliance with Section 316(b) of the federal Clean Water Act by reducing the impact on marine life from water intake.
Why it matters
The upgrade reflects the increasing regulatory pressure on industrial facilities to mitigate environmental impact when drawing water from sensitive ecosystems like Old Tampa Bay. Operators in utility-adjacent sectors should note this shift toward finer mesh screening requirements as a standard for compliance.
Duke Energy plans to spend $6.6 million to replace six water intake screens at the Bartow facility. The project follows a multi-year effort to address marine impingement at the site, with a two-year biological study slated to follow construction.
The players
Duke Energy
A major electric utility company providing power to millions of customers with large-scale generation assets across several states.
Tampa Bay Estuary Program
An intergovernmental partnership organization that monitors water quality and environmental health in the local bay region.
The details
The proposed system replaces existing water intake infrastructure with finer mesh screens that utilize low-pressure sprays to move trapped marine life into collection buckets. These buckets empty into a dedicated return line, which cycles the animals back into Old Tampa Bay. This mechanism is designed to satisfy federal Clean Water Act mandates regarding the protection of aquatic life at facilities drawing cooling water from local ecosystems.
Timeline
Construction could potentially begin in December 2026.
The project is expected to reach completion by January 2028.
Market Landscape
The Bartow power plant upgrade follows established regulatory patterns under Section 316(b) of the federal Clean Water Act. This move aligns the facility with long-term efforts to minimize the environmental footprint of industrial cooling processes in protected maritime regions.
Operators managing facilities with significant water intake should evaluate their current screening systems against evolving Section 316(b) standards to anticipate future capital costs. Reviewing site-specific environmental impact protocols now may reduce the risk of forced retrofits as regulatory scrutiny increases.
The takeaway
Large-scale utility projects often face long lead times for regulatory approval and construction, as evidenced by the two-year window required here. Business owners should monitor the results of the planned biological optimization study to understand if future screen mesh requirements become more stringent.
Further reading
For broader trends in infrastructure compliance, see our reporting on Utilities.
Source note: This article includes information reported by Tampa Bay Times.
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