Role of a Hybrid Energy System Comprising a Small/Medium-Sized Nuclear Reactor and a Biomass Processing Plant in a Scenario with a High Deployment of Onshore Wind Farms
Publication: Journal of Energy Engineering
Volume 140, Issue 1
Abstract
The present article analyzes the potential contribution of a hybrid energy system in a scenario with a high deployment of wind farms. The hybrid energy system consists of a small/medium-sized nuclear reactor (SMR), a biomass processing plant, and an optional hydrogen production plant. The SMR operates at full power constantly and is able to switch its thermal output to supply the steam turbine for electricity generation or to supply the biomass production plant for heat processes. The hybrid energy system management is electricity demand following, so the sum of the electricity generated by both the hybrid energy system and the aggregated wind farm tends to meet electricity demand. The hydrogen production plant is considered to be an electricity consumer and operates during times of wind power surplus. Wind farm capacities of 100–2,000 MW were investigated. For these, the optimal SMR size in the hybrid energy system varies from 200 to . The increase in SMR size is limited owing to the maximum heat demand for the biomass processing plant, which is annually (expected heat for biomass processing within a radius of 80 km). For a 1,000 MW wind farm, the (standard) deviations between wind farm output and electricity demand are reduced by 32 percentage points with the aid of the hybrid energy system without the hydrogen production plant. An additional reduction of 30 percentage points is achieved using the hydrogen plant, but this then has a very low utilization (15%).
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Information & Authors
Information
Published In
Journal of Energy Engineering
Volume 140 • Issue 1 • March 2014
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Jan 18, 2013
Accepted: Jun 21, 2013
Published online: Jun 24, 2013
Published in print: Mar 1, 2014
Discussion open until: Apr 28, 2014
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