Journal
ENERGY POLICY
Volume 77, Issue -, Pages 118-130Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.enpol.2014.12.006
Keywords
Carbon emissions; Optimization; Electricity; Transportation; Fuels; Energy services
Funding
- Sustainable Transportation Energy Pathways (STEPS) Program at UC Davis
- California Air Resources Board (ARB)
- California Energy Commissions (CEC)
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The CA-TIMES optimization model of the California Energy System (v1.5) is used to understand how California can meet the 2050 targets for greenhouse gas (GHG) emissions (80% below 1990 levels). This model represents energy supply and demand sectors in California and simulates the technology and resource requirements needed to meet projected energy service demands. The model includes assumptions on policy constraints, as well as technology and resource costs and availability. Multiple scenarios are developed to analyze the changes and investments in low-carbon electricity generation, alternative fuels and advanced vehicles in transportation, resource utilization, and efficiency improvements across many sectors. Results show that major energy transformations are needed but that achieving the 80% reduction goal for California is possible at reasonable average carbon reduction cost ($9 to $124/tonne CO(2)e at 4% discount rate) relative to a baseline scenario. Availability of low-carbon resources such as nuclear power, carbon capture and sequestration (CCS), biofuels, wind and solar generation, and demand reduction all serve to lower the mitigation costs, but CCS is a key technology for achieving the lowest mitigation costs. (C) 2014 Elsevier Ltd. All rights reserved.
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