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Thesis
Mitigating the Duck Curve Effects through Optimized Solar PV Orientation
Washington State University
Master of Science (MS), Washington State University
12/2024
DOI:
https://doi.org/10.7273/000007246
Abstract
The rapid expansion of solar energy has introduced significant challenges to grid stability, particularly with the emergence of the "duck curve" phenomenon. This curve represents the disparity between solar energy generation and electricity demand, leading to periods of overgeneration during midday and steep ramps in conventional power generation during the evening. These issues pose threats to both the reliability of the power grid and the efficiency of the solar energy generated. Traditional solutions, such as energy storage systems, demand response programs, and grid modernization, often require substantial investments and infrastructure development, which may not be feasible for all utilities.
This thesis proposes an innovative and cost-effective approach to address these challenges by optimizing the orientation of utility-scale solar panels. Specifically, it explores the use of deterministic optimization to calculate the most favorable tilt and azimuth angles for solar panels within a given operational area. By adjusting the orientation of solar panels away from the conventional south-facing position, this method aims to better align solar energy generation with electricity demand, thereby reducing the need for curtailment and minimizing the steep net load ramp in the evening. The optimization model, formulated using the Pyomo library and solved with the Ipopt solver, ensures that the solution is both efficient and reliable, maximizing solar energy production while enhancing grid stability.
The results demonstrate that optimized solar panel orientations not only contribute to a more stable grid but also reduce the strain on energy storage systems, leading to lower
operational costs and extended system lifespans. Overall, this research provides a practical solution to the challenges of high renewable energy penetration, offering a strategy that enhances the integration of solar energy into the grid with minimal investments.
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Details
- Title
- Mitigating the Duck Curve Effects through Optimized Solar PV Orientation
- Creators
- Liadi Abiodun Akande
- Contributors
- Noel N. Schulz (Chair)Saeed Lotfifard (Committee Member)Javier Guerrero (Committee Member)
- Awarding Institution
- Washington State University
- Academic Unit
- School of Electrical Engineering and Computer Science
- Theses and Dissertations
- Master of Science (MS), Washington State University
- Publisher
- Washington State University
- Number of pages
- 81
- Identifiers
- 99901195540101842
- Language
- English
- Resource Type
- Thesis