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Integrated Systems Analyses of Using Geologically Stored CO2 and Sedimentary Basin Geothermal Resources to Produce and Store Energy

Ogland-Hand, Jonathan D.
http://rave.ohiolink.edu/etdc/view?acc_num=osu1555079270508336

Abstract Details

2019, Doctor of Philosophy, Ohio State University, Environmental Science.
Reducing carbon dioxide (CO2) emissions is one of the most pressing issues facing the electricity system. Towards this end, prior work investigated generating electricity with geologically stored CO2 by using it to extract heat from sedimentary basins geothermal resources. This dissertation expands on this idea by developing and valuing approaches for CO2-based energy storage. In the first chapter, we investigate the value that three bulk energy storage (BES) approaches have for reducing system-wide CO2 emissions and water requirements: CO2-Bulk Energy Storage (CO2-BES), which is a CO2-based energy storage approach that uses a concentric-ring, pressure based (CRP-BES) design, Pumped Hydro Energy Storage (PHES), and Compressed Air Energy Storage (CAES). Our results suggest that BES could decrease system-wide CO2 emissions by increasing the utilization of wind, but it can also alter the dispatch order of regional electricity systems in other ways (e.g., increase in the utilization of natural gas power capacity and of coal power capacity, decrease in the utilization of nuclear power capacity). While some changes provide negative value (e.g., decrease in nuclear increased CO2 emission), the system-wide values can be greater than operating cost of BES. In the second and third chapters, we investigate two mechanisms for using CO2 for energy storage: storage of (1) pressure and (2) heat. For pressure storage, we investigated the efficacy of the CO2-BES system using the CRP-BES design over cycles of varying durations. We found that CO2-BES could time-shift up to a couple weeks of electricity, but the system cannot frequently dispatch electricity for longer durations than was stored. Also, the cycle duration does not substantially affect the power storage capacity and power output capacity if the total time spent charging, discharging, or idling is equal over a multi-year period. For thermal energy storage, we investigated the efficacy of using pre-heated CO2 and pre-heated brine as the media for thermal energy storage in the subsurface. We found that it is likely that the thermophysical characteristics of brine render it advantageous over CO2 for this purpose. In the fourth chapter, we determine the potential that the CO2-BES system using the CRP-BES design has to increasing the profit-maximizing high voltage direct current (HVDC) transmission capacity that connects a wind farm in Eastern Wyoming to Los Angeles, California. Our results suggest that the optimal dispatch of the CO2-BES system in this application includes operating as both a geothermal power plant and an energy storage facility and that the system can increase the profit-maximizing HVDC transmission capacity. With these findings, we conclude that using geologically stored CO2 and geothermal resources for energy storage can provide value to the electricity system in multiple ways in part because these systems have unique operational capabilities compared to conventional energy storage approaches (e.g., PHES, CAES). Potential future works include optimizing the CRP-BES design for a specific application, developing a CO2-seasonal energy storage approach, and expanding the model boundaries to include the source of CO2.
Jeffrey Bielicki (Advisor)
Ramteen Sioshansi (Committee Member)
Gil Bohrer (Committee Member)
Brent Sohngen (Committee Member)
231 p.
Alternative Energy; Energy; Engineering; Environmental Economics; Environmental Science
CCS; CCUS; Energy Storage; Geothermal Energy; Renewable Energy; Integrated Modelling

Recommended Citations

Citations

  • Ogland-Hand, J. D. (2019). Integrated Systems Analyses of Using Geologically Stored CO2 and Sedimentary Basin Geothermal Resources to Produce and Store Energy [Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1555079270508336

    APA Style (7th edition)

  • Ogland-Hand, Jonathan. Integrated Systems Analyses of Using Geologically Stored CO2 and Sedimentary Basin Geothermal Resources to Produce and Store Energy. 2019. Ohio State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1555079270508336.

    MLA Style (8th edition)

  • Ogland-Hand, Jonathan. "Integrated Systems Analyses of Using Geologically Stored CO2 and Sedimentary Basin Geothermal Resources to Produce and Store Energy." Doctoral dissertation, Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1555079270508336

    Chicago Manual of Style (17th edition)

osu1555079270508336
396
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This open access ETD is published by The Ohio State University and OhioLINK.