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Many regions with limited solar and wind resources have recognized the value of biomass as a source of renewable generation and are building stand-alone Greenfield biomass power plants to generate power for their area. These projects do require large capital investments in the $2500-$4000 per kW of capacity range. The feed handling and preparation portion may be about ½ of this investment, with the power conversion side (boiler, turbine-generator, and interconnection) amounting to the remaining ½ of the capital investment.
Rather than building entirely new facilities, another option is to repower an existing coal-fired boiler for direct biomass combustion. This is significantly less expensive at closer to $1500 per kW, however this operation is not simple. Long downtimes are typical while converting the boiler. In addition, the process can lead to increased potential for corrosion or de-rating of the asset.
New gasification-based repowering has the potential to eliminate these issues. This presentation will explore technical and economic issues to consider during the design and implementation of gasification based repowering projects, including potential impacts to plant performance and emissions.
Who Should Attend - Renewable energy project developers
- Attorneys
- City, State, and Federal officials investigating renewable energy
- Directors of renewable development
- Environmental and technical consultants
- Finance and investment professionals
- Investors in repowering with renewable energy
- Maintenance engineers
- NGO's and green advocacy groups looking to foster renewable adoption
- Plant engineers
- Regulators, communications staff, and others involved with coal-fired power plant operations
- Siting and permitting attorneys
- Sustainable fuel and feedstock interests
- Utility executives with renewable energy responsibilities
- Utility fuel mix and RPS specialists
Learning Outcomes - Analyze and distinguish the various technologies employed in biomass gasification
- Examine and appraise potential project options for repowering, including technical and economic feasibility
- Classify and analyze suitable alternative biomass feedstocks
- Differentiate gasification technologies in terms of their characteristic core conversion approach, gas conditioning, and potential application
- Identify potential impacts of repowering on the boiler, auxiliaries, and emissions control. Identify probable air quality and permitting compliance issues
Requirements for Successful Completion of Program Participants must be logged in to the web conference for its entirety to receive continuing education credit. Instructional Methods Web based PowerPoint presentation and on-line interactive question/answer session. Continuing Education Credits: EUCI is authorized by IACET to offer up to 0.1 CEUs for this program.
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