Technical and economical aspects of wholesale electricity markets: An international comparison and main contributions for improvements in Brazil

L Ribeiro, A Street, D Valladão, AC Freire… - Electric Power Systems …, 2023 - Elsevier
The Brazilian power-market design features were based on the system's physical and
economic characteristics in the'90s. However, some of the approximations and assumptions …

Data-driven multistage distribuionally robust programming to hydrothermal economic dispatch with renewable energy sources

X Zhang, T Ding, Y Xiao, H Zhang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The multistage solution is very important to achieve optimal hydrothermal economic dispatch
considering the uncertainty of renewable energy sources. In data-driven settings, only some …

[HTML][HTML] Approximating hydropower systems by feasibility spaces in stochastic dual dynamic programming

A Helseth - Electric Power Systems Research, 2024 - Elsevier
This work investigates and improves methodology for approximating hydropower systems by
feasibility spaces, which can be embedded in the stochastic dual dynamic programming …

[PDF][PDF] Stochastic dual dynamic programming and its variant-a review

C Füllner, S Rebennack - Optimization Online, 2023 - optimization-online.org
We provide a tutorial-type review on stochastic dual dynamic programming (SDDP), 4 as
one of the state-of-the-art solution methods for large-scale multistage stochastic programs …

Learning Optimal Power Flow value functions with input-convex neural networks

A Rosemberg, M Tanneau, B Fanzeres, J Garcia… - Electric Power Systems …, 2024 - Elsevier
Abstract The Optimal Power Flow (OPF) problem is integral to the functioning of power
systems, aiming to optimize generation dispatch while adhering to technical and operational …

[HTML][HTML] Finding opportunity in economic power dispatch: Saving fuels without impacting retail electricity prices in fuel-producing countries

M Petitet, FA Felder, AM Elshurafa - Energy Economics, 2024 - Elsevier
In many oil-and natural gas-producing countries, fuels are allocated to the electricity sector
at administratively set prices below international market prices for domestic policy reasons …

A tailored derivative instrument to mitigate the price-and-quantity risk faced by Wind Power Companies

M de Fatima Barbosa, A Street, B Fanzeres - Energy Economics, 2024 - Elsevier
The intermittent nature of wind generation combined with the well-known volatility of
electricity spot prices expose Wind Power Companies (WPCs) committed to long-term …

Water values and marginal costs for power generation planning under more restrictive constraints and a more detailed representation of hydro plants

CB da Cruz, LC Brandão, AL Diniz - Electric Power Systems Research, 2024 - Elsevier
Power generation planning for real large-scale systems is a complex multistage stochastic
problem, which requires modeling approximations for the representations of system …

Optimal segmented efficiency in hydrosystem area equivalents to capture real production peaks

E Blom, L Söder - Energy Systems, 2023 - Springer
Modeling large energy systems requires different forms of simplifications and aggregations.
This is especially true for large hydropower systems. One way to simplify the modeling of …

Long-term Hydrothermal Bid-based Market Simulator

JD Garcia, A Street, MV Pereira - arXiv preprint arXiv:2403.07270, 2024 - arxiv.org
Simulating long-term hydrothermal bid-based markets considering strategic agents is a
challenging task. The representation of strategic agents considering inter-temporal …