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Carbon Capture Costs: FEED & pre-FEED Cost Reports

Carbon capture costs from pre-FEED and FEED studies across power, cement, steel, natural gas, hydrogen and other industrial sectors. Browse capital (capex) and operating (opex) cost estimates from publicly available engineering reports, drill down into cost buckets and line items, and compare up to three projects side-by-side.

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Tampa Electric Polk Power Station Unit 2

Natural GasFEED· Tampa Electric Company· 2025-11-14Project page ↗Cost report ↗

CO₂ captured

3,420,780t/yr

Capture efficiency

95.0%

Utilization

—

Parasitic load

—MW

CO₂ concentration

4.5%vol%

Facility Capex Breakdown Opex Breakdown Metadata

Facility scope

EngineeringSargent & Lundy

Point source approachPost-Combustion Capture

CO₂ concentration4.5% vol%

Flue gas pressure14 psia

Compressor nameplate—

Compression stages—

Compression inlet—

Compression discharge—

Description

Tampa Electric Company, with ION Clean Energy, Sargent & Lundy, Koch Specialty Plant Services, and Siemens Energy, completed a FEED study to retrofit post-combustion CO2 capture onto Unit 2 of the Polk Power Station, a 1,190 MWe (1,168 MWe net) 4x4x1 natural gas combined cycle plant in Mulberry, Florida. Using ION Clean Energy's ICE-31 advanced solvent across two parallel capture trains, the design targets at least 95% capture, nearly 3.7 million tonnes of CO2 per year, with downstream Siemens compression and dehydration and integrated pipeline transport to dedicated Class VI geologic storage. Each train includes a direct contact cooler, absorber, stripper, and compression, with the absorber columns sized to support 1x1 operation at 75% combustion turbine load to preserve dispatch flexibility. The study was funded under DOE Award DE-FE0032224 and produced an AACE Class 3 (-20%/+30%) capital cost and cost-of-capture estimate.