Scholars@Duke
Luana Marangon Lima

Luana Marangon Lima

Gendell Family Assistant Professor of the Practice
Environmental Social Systems

Selected Publications

Charging forward: A greenhouse gas emissions analysis of New York State's electric vehicle and clean energy goals

Journal Article Energy Policy · June 1, 2025 States throughout the U.S. are implementing electric vehicle (EV)-focused policies to spur EV adoption. EVs are viewed as an environmentally friendly mobility choice for passenger vehicles due to their lack of direct emissions like conventional internal co ... Full text Cite

Integrating Hydrological and Machine Learning Models for Enhanced Streamflow Forecasting via Bayesian Model Averaging in a Hydro-Dominant Power System

Journal Article Water Switzerland · February 1, 2024 Streamflow forecasting plays a crucial role in the operational planning of hydro-dominant power systems, providing valuable insights into future water inflows to reservoirs and hydropower plants. It relies on complex mathematical models, which, despite the ... Full text Cite

Refining Seasonal Precipitation Forecast in Brazil Using Simple Data-Driven Techniques and Climate Indices

Journal Article Revista Brasileira De Meteorologia · January 1, 2024 Seasonal precipitation forecasts are essential for water resource management, agricultural activities, and the operational planning of hydropower systems. Any methodological advancement that enhances the accuracy of precipitation predictions will yield con ... Full text Cite

An Overview of Short-Term Load Forecasting for Electricity Systems Operational Planning: Machine Learning Methods and the Brazilian Experience

Journal Article Energies · November 1, 2023 The advent of smart grid technologies has facilitated the integration of new and intermittent renewable forms of electricity generation in power systems. Advancements are driving transformations in the context of energy planning and operations in many coun ... Full text Cite

Short-term load forecasting using neural networks and global climate models: An application to a large-scale electrical power system

Journal Article Applied Energy · October 15, 2023 This paper focuses on the development of shallow and deep neural networks in the form of multi-layer perceptron, long-short term memory, and gated recurrent unit to model the short-term load forecasting problem. Different model architectures are tested, an ... Full text Cite

Bayesian Predictive Distributions for Imbalance Prices With Time-Varying Factor Impacts

Journal Article IEEE Transactions on Power Systems · January 1, 2023 A dynamic Bayesian model is developed to estimate the time-varying nature of the drivers of the system imbalance prices in the British electricity market. We find that the key exogenous factors that significantly influence prices have impacts that evolve s ... Full text Cite

“Drivers” da previsão climática sazonal: uma revisão da literatura

Journal Article Revista Brasileira de Climatologia · July 28, 2022 O clima de um determinado local é definido pelo valor médio das variáveis atmosféricas registradas por longo período. Entretanto, por exemplo, o valor registrado de precipitação numa dada estação do ano pode ser bem diferente do valor médio, indica ... Full text Cite

An assessment of multi-layer perceptron networks for streamflow forecasting in large-scale interconnected hydrosystems

Journal Article International Journal of Environmental Science and Technology · July 1, 2022 This work analyzes the use of artificial neural networks in the short-term streamflow forecasting for large interconnected hydropower systems. The state-of-the-art optimization algorithms, activation functions, and weight initialization techniques are inve ... Full text Cite

Efficiency analysis for performance evaluation of electric distribution companies

Journal Article International Journal of Electrical Power and Energy Systems · January 1, 2022 In power systems, the electricity distribution sector requires proper regulation to guarantee power supply security, electricity tariffs modicity and universal service to customers. Generally, electric utilities operate differently and are distinguished in ... Full text Open Access Cite

Modelling and design of wind-solar hybrid generation projects in long-term energy auctions: A multi-objective optimisation approach

Journal Article Iet Renewable Power Generation · October 26, 2020 This study proposes an approach to help the bidding processes of hiring wind-photovoltaic farms in long-term energy auctions. The proposed approach aims to define an optimal solution to configure wind-photovoltaic farms based on mixture design of experimen ... Full text Cite

Complementary relationship between small-hydropower and increasing penetration of solar photovoltaics: Evidence from CAISO

Journal Article Renewable Energy · August 1, 2020 To achieve the 100% green electricity goal, we need to understand the relationship between resources in the market and identify the flexible clean resources (i.e., hydropower) to integrate power from wind and photovoltaic (PV). This paper reveals a complem ... Full text Cite

Hydropower revenues under the threat of climate change in Brazil

Journal Article Renewable Energy · April 1, 2019 This work analyzes the impacts of climate change in the revenues of hydropower plants. One important input for designing and evaluating investment opportunities in hydropower is the water inflows historical data. Unfortunately, the use of such information ... Full text Open Access Cite

Efficiency analysis for performance evaluation of electricity distribution companies

Conference ECOS 2019 Proceedings of the 32nd International Conference on Efficiency Cost Optimization Simulation and Environmental Impact of Energy Systems · January 1, 2019 The power distribution segment has characteristics of natural monopoly requiring proper regulation to guarantee the tripod: power supply security; tariff modicity; and universal service. The tariff regulation process is key for providing a higher level of ... Cite

Cooperative game theory and last addition method in the allocation of firm energy rights

Journal Article Applied Energy · September 15, 2018 The firm energy rights of a hydro plant is a parameter used in some electricity markets to define the maximum amount of energy that a power plant can trade through contracts. In a centralized dispatch scheme, the coordinated operation of the hydro plants g ... Full text Open Access Cite

Weight limits in the DEA benchmarking model for Brazilian electricity distribution companies

Conference Sbse 2018 7th Brazilian Electrical Systems Symposium · June 25, 2018 The periodic tariff review process is applied to tariff control and regulation of electrical energy distribution system. In Brazil, the method used to obtain the efficient operational cost (OPEX) is a benchmarking technique based in linear programming call ... Full text Cite

Analysis of multiple solutions in the calculus of firm energy

Conference Sbse 2018 7th Brazilian Electrical Systems Symposium · June 25, 2018 This paper uses a linear optimization model to investigate the calculus of firm energy rights of hydro power plants in Brazil. The firm energy values influence directly in the remuneration of the Brazilian hydro plants, besides that, linear optimization mo ... Full text Cite

Distribution Pricing: Are We Ready for the Smart Grid?

Journal Article IEEE Power and Energy Magazine · July 2015 Full text Open Access Cite

How Efficient are the Brazilian Electricity Distribution Companies?

Journal Article Journal of Control Automation and Electrical Systems · June 1, 2015 During the last years, the electricity sector has experienced great changes, especially within the economic regulation. After receiving several criticisms, the rate of return regulation has been replaced by incentive regulation. The main objective of this ... Full text Open Access Cite

Modeling and forecasting of Brazilian reservoir inflows via dynamic linear models

Journal Article International Journal of Forecasting · January 1, 2014 This work focuses on developing a forecasting model for the water inflow at an hydroelectric plant's reservoir for operations planning. The planning horizon is 5years in monthly steps. Due to the complex behavior of the monthly inflow time series we use a ... Full text Open Access Cite