Replacing Coal-Fired Plant with Advanced Natural Gas Alternative

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Hillsborough County, Florida

Tampa Electric Company repowered its 1970s-era, coal-fired Big Bend Unit 1 with a nominal 1,090 megawatt (MW) advanced, natural gas-fired combined-cycle generating unit as part of its Big Bend Modernization Project. At the same time, it retired the existing Big Bend Unit 2 coal-fired facility.

ECT assisted with the environmental licensing and permitting preparation of a site certification application (SCA), as well as air construction, environmental resource (ERP), National Pollutant Discharge Elimination System (NPDES), and U.S. Army Corps of Engineers (USACE) dredge-and-fill permit applications. The SCA was prepared pursuant to the requirements and procedures of the Florida Electrical Power Plant Siting Act (PPSA). Efforts included multidisciplinary data collections and analysis for air quality, ecological resources, surface water and groundwater resources, and land use (socioeconomics). Site-specific surveys were conducted for jurisdictional wetlands and threatened and endangered (T/E) species.

ECT conducted air emissions netting analyses based on future potential emissions for the new combined-cycle unit compared to past emissions for the repowered and retired coal-fired units. The analyses showed the net emissions changes were less than the Prevention of Significant Deterioration (PSD) significant emissions rates for all criteria pollutants and not subject to PSD review.

For NPDES permitting, ECT conducted cooling water intake and discharge evaluations under Clean Water Act Section 316(a) and (b) requirements. Also, ECT conducted a detailed analysis of thermal discharges, and utilized aerial drones to monitor protected manatees distribution within the discharge canal during the winter months of the project.

Client / Owner
Tampa Electric Company
Project Timeline
June 2017 to July 2022
Highlights
  • Listed Species Monitoring
  • Site Certification Application
  • Air construction permitting
  • NPDES permitting and Section 316 Demonstrations
  • ERP & USACE permitting
  • Agency coordination

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ECT Subcontractor H&S Prequalification - New Application

Section 1: Subcontractor Information


Company Legal Name:
Primary Mailing Address:
H&S Manager Information:
Current Date:
Recent Service:
NAICS Code(s):
Business Certifications:

Section 2: Subcontractor Health & Safety Information


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Next Steps

Once your application is received, the information will be reviewed and you will be contacted either to confirm approval and active status in our system or to request additional or supplementary information such as HAZWOPER training certifications, procedural documentation, or other related information. To complete the application process, please complete the required signatures below.

"By signing below, I acknowledge the information provided is current and true and I have provided the support information requested or provided explanations why the information was not provided. Additionally, the submitting subcontractor agrees to follow ECT health & safety requirements and applicable state or federal health & safety regulations."
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