Abstract
Bio-electricity is an important technology for Energy Modeling Forum (EMF-27) mitigation scenarios, especially with the possibility of negative carbon dioxide emissions when combined with carbon dioxide capture and storage (CCS). With a strong economic foundation, and broad coverage of economic activity, computable general equilibrium models have proven useful for analysis of alternative climate change policies. However, embedding energy technologies in a general equilibrium model is a challenge, especially for a negative emissions technology with joint products of electricity and carbon dioxide storage. We provide a careful implementation of bio-electricity with CCS in a general equilibrium context, and apply it to selected EMF-27 mitigation scenarios through 2100. Representing bio-electricity and its land requirements requires consideration of competing land uses, including crops, pasture, and forests. Land requirements for bio-electricity start at 200 kilohectares per terawatt-hour declining to approximately 70 kilohectares per terwatt-hour by year 2100 in scenarios with high bioenergy potential.
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Notes
Model output is interpolated to 10-year time steps, starting in 2010, for submission to the EMF-27 data base.
Policy scenario G19 is paired with reference scenario G01.
The SSP data are available for download at https://secure.iiasa.ac.at/web-apps/ene/SspDb
Income comparisons in the base year of 2004 are calculated using market exchange rates.
The idea of using a floor of $1 per tCO2 comes from Hyman et al. (2002) in the context of non-CO2 greenhouse gas abatement in a CGE model.
A fixed-coefficient constant-elasticity-of-transformation (CET) nest is used to represent joint products of electricity and CO2 permits in Fig. 4.
We use a CO2 capture rate of 95 % for fossil-generated electricity.
We do not use permit revenue to offset other tax rates in the economy.
The five field crops are wheat, rice, coarse grains, oil seeds, and sugar. The three crop types are vegetables and fruit, plant-based fibers, and other crops.
Labor productivity in each FARM region is adjusted to align GDP growth rates with the SSP2 scenario. Capital productivity changes are zero for all production sectors in all regions, with two exceptions: electricity from wind and electricity from solar.
Abbreviations
- AgMIP:
-
Agricultural Model Inter-comparison and Improvement Project
- CCS:
-
Carbon dioxide capture and storage
- CES:
-
Constant elasticity of substitution
- CGE:
-
Computable general equilibrium
- EMF:
-
Energy Modeling Forum
- EV:
-
Equivalent variation
- FARM:
-
Future Agricultural Resources Model
- FAO:
-
Food and Agriculture Organization of the United Nations
- GTAP:
-
Global Trade Analysis Project
- IEA:
-
International Energy Agency
- kha:
-
Kilohectare
- SAM:
-
Social accounting matrix
- SSP:
-
Shared Socio-economic Pathway
- TWh:
-
Terawatt-hour
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This article is part of the Special Issue on “The EMF27 Study on Global Technology and Climate Policy Strategies” edited by John Weyant, Elmar Kriegler, Geoffrey Blanford, Volker Krey, Jae Edmonds, Keywan Riahi, Richard Richels, and Massimo Tavoni.
The views expressed are those of the authors and should not be attributed to the Economic Research Service, USDA, or the Öko-Institut.
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Sands, R.D., Förster, H., Jones, C.A. et al. Bio-electricity and land use in the Future Agricultural Resources Model (FARM). Climatic Change 123, 719–730 (2014). https://doi.org/10.1007/s10584-013-0943-9
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DOI: https://doi.org/10.1007/s10584-013-0943-9