Long-term CO2 Emissions Abatement In
The Power Sector And The Influence Of
Renewable Power
Author(s)
T. Aboumahboub, K. Schaber, U. Wagner & T. Hamacher
Abstract
This study investigates influences of Variable Renewable Energy Sources
(VRES), i.e. solar and wind power, on the CO2 emissions of the global electricity
sector and on the certificate price. We use an energy system model based on
linear programming. It may be applied to optimize capacity extensions in power
generation, transport, and storage under different framework conditions. Here,
long term abatement in the power sector with a special focus on the influence of
VRES is studied. When a time horizon from 2020 to 2040 was taken into
account, optimization results showed that wind energy is extensively employed
to meet ambitious emissions reduction targets. In 2020, total wind capacity
reaches 4570 GW and rises to 15285 GW by 2040; extension of wind power at
this level allows limiting CO2 emissions of the power sector to 6107 million tons
in 2020- i.e. 35% reduction compared to the year 2000; it reduces to 2067
million tons by 2040, while the certificate price rises to 61 €/ton. This can only
be realized if cross-border interconnections are extended far beyond the current
levels. If grid extensions are not allowed, over-installation of capacities up to
18% is unavoidable to satisfy the proposed CO2-limit in 2040. In this case, the
certificate price shows a significant increase to 147 €/ton by 2040.
Keywords: renewable energy, optimization, certificate price, CO2 emissions.
Keywords
renewable energy, optimization, certificate price, CO2 emissions
Related Book
Other papers in this volume
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