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Renewable energy, ISSN 0960-1481, 2011, Volume 36, Issue 4, pp. 1245 - 1251
This paper proposes artificial neural networks in combination with wavelet transform for short-term wind power forecasting in Portugal. The increased... 
Wavelet transform | Wind power | Forecasting | Artificial neural networks | SPEED | FEATURE-EXTRACTION | ENERGY & FUELS | ALGORITHM | SYSTEMS | GENERATION | ARIMA MODELS | PREDICTION | Wavelet transforms | Renewable energy | Neural networks | Volatility | Intermittency
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 2011, Volume 52, Issue 1, pp. 397 - 402
The increased integration of wind power into the electric grid, as nowadays occurs in Portugal, poses new challenges due to its intermittency and volatility.... 
Swarm optimization | Wind power | Neuro-fuzzy | Prediction | NEURAL-NETWORK APPROACH | ENERGY & FUELS | PHYSICS, NUCLEAR | ARIMA MODELS | ALGORITHMS | SPEED | FUZZY INFERENCE SYSTEM | MECHANICS | THERMODYNAMICS | GENERATION | Mathematical optimization | Analysis | Green technology | Fuzzy logic | Volatility | Direct power generation | Fuzzy set theory | Management | Fuzzy | Optimization
Journal Article
Renewable energy, ISSN 0960-1481, 2016, Volume 99, pp. 673 - 681
This paper presents a stochastic mixed-integer linear programming approach for solving the self-scheduling problem of a price-taker thermal and wind power... 
Wind thermal coordination | Mixed integer linear programming | Bidding strategy | Stochastic programming | UNIT COMMITMENT | STORAGE | SYSTEM | GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY | MARKET | ENERGY & FUELS | ALGORITHM | POWER | SHORT-TERM ENERGY | GENERATION | OPTIMIZATION | Case studies | Electrical engineering | Energy industry | Analysis | Green technology | Force and energy
Journal Article
IEEE Transactions on Sustainable Energy, ISSN 1949-3029, 01/2011, Volume 2, Issue 1, pp. 50 - 59
The increased integration of wind power into the electric grid, as it occurs today in Portugal, poses new challenges due to its intermittency and volatility.... 
Wavelet transforms | wind power | swarm optimization | Artificial neural networks | fuzzy logic | neural networks | wavelet transform | Wind power generation | Predictive models | Forecasting | Wind forecasting | ENERGY & FUELS | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
International journal of electrical power & energy systems, ISSN 0142-0615, 2012, Volume 39, Issue 1, pp. 29 - 35
► A novel hybrid approach is proposed for electricity prices forecasting. ► The proposed approach is based on the combination of PSO and ANFIS. ► A thorough... 
Swarm optimization | Fuzzy logic | Price forecasting | Neural networks | Electricity market | SYSTEM | NEURAL-NETWORK | ARIMA MODELS | ENGINEERING, ELECTRICAL & ELECTRONIC | Prices and rates | Competition (Economics) | Mathematical optimization
Journal Article
Energy (Oxford), ISSN 0360-5442, 2011, Volume 36, Issue 1, pp. 500 - 507
In this paper, a novel mixed-integer nonlinear approach is proposed to solve the short-term hydro scheduling problem in the day-ahead electricity market,... 
Cascaded reservoirs | Short-term hydro scheduling | Head-dependency | Mixed-integer nonlinear programming | UNIT COMMITMENT | HEAD | MARKET | ELECTRICITY PRICES | DISPATCH | ENERGY & FUELS | ARIMA MODELS | STRATEGIES | THERMODYNAMICS | NEURAL-NETWORK | GENERATION | OPTIMIZATION
Journal Article
Energy conversion and management, ISSN 0196-8904, 2011, Volume 52, Issue 2, pp. 1061 - 1065
In this paper, a hybrid intelligent approach is proposed for short-term electricity prices forecasting in a competitive market. The proposed approach is based... 
Fuzzy logic | Wavelet transform | Neural networks | Price forecasting | Electricity market | SYSTEM | NETWORK | ENERGY & FUELS | ENVIRONMENT | PHYSICS, NUCLEAR | NEURO-EVOLUTIONARY ALGORITHM | ARIMA MODELS | MECHANICS | THERMODYNAMICS | ANFIS | Wavelet transforms | Electricity | Documents | Markets | Direct power generation | Management | Forecasting
Journal Article
Energy, ISSN 0360-5442, 2011, Volume 36, Issue 8, pp. 4935 - 4942
In this paper, a stochastic programming approach is proposed for trading wind energy in a market environment under uncertainty. Uncertainty in the energy... 
Risk aversion | Uncertainty | Wind energy | Stochastic programming | THERMODYNAMICS | ENERGY & FUELS | SYSTEM-ANALYSIS | FORECASTS | POWER | PROCUREMENT | GENERATION | STRATEGIES | Wind power | Energy industry | Models | Volatility | Programming | Wind power generation | Markets | Mathematical models | Stochasticity | Optimization
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 2010, Volume 51, Issue 3, pp. 524 - 530
This paper is on the problem of short-term hydro scheduling, particularly concerning head-dependent cascaded hydro systems. We propose a novel mixed-integer... 
Hydro scheduling | Mixed-integer quadratic programming | Head-dependency | PLANT | RESERVOIR | PRICES | ENERGY & FUELS | PHYSICS, NUCLEAR | DIFFERENTIAL EVOLUTION | CHAIN | MECHANICS | THERMODYNAMICS | ELECTRICITY MARKET | POWER-GENERATION | CONSTRAINTS | OPTIMIZATION | UNITS
Journal Article
Electric power systems research, ISSN 0378-7796, 2012, Volume 89, pp. 45 - 53
► The profit of a wind power producer is maximized while reducing deviations. ► The uncertainty associated with wind energy production and electricity market... 
Uncertainty | Wind power | Offering strategies | Stochastic programming | STORAGE | NEURAL-NETWORK APPROACH | SHORT-TERM ENERGY | ELECTRICITY MARKET | GENERATION | PREDICTION | ENGINEERING, ELECTRICAL & ELECTRONIC | Green technology
Journal Article
IET Renewable Power Generation, ISSN 1752-1416, 05/2011, Volume 5, Issue 3, pp. 251 - 257
The increased integration of wind power into the electric grid, as nowadays occurs in Portugal, poses new challenges because of its intermittency and... 
SPEED | NEURAL-NETWORK APPROACH | MARKET | PRICES | ENERGY & FUELS | WAVELET TRANSFORM | SYSTEMS | GENERATION | ARIMA MODELS | PREDICTION | RESOURCE | ENGINEERING, ELECTRICAL & ELECTRONIC | Fuzzy logic | Wavelet transforms | Neural networks | Volatility | Wind power | Forecasting | Power generation | Intermittency
Journal Article
Energy Conversion and Management, ISSN 0196-8904, 2012, Volume 56, pp. 96 - 103
► A MIQP approach is proposed for the short-term hydro scheduling problem. ► Head-dependency, discontinuous operating regions and discharge ramping constraints... 
Head-dependency | Price scenarios | Hydro scheduling | Mixed-integer quadratic programming | Risk-aversion | ENERGY & FUELS | ALGORITHM | TERM | DIFFERENTIAL EVOLUTION | FLOW | MECHANICS | THERMODYNAMICS | SYSTEMS | Analysis | Water-power | Volatility | Markets | Scheduling | Direct power generation | Management | Quadratic programming | Discharge | Constraining
Journal Article
Electric Power Systems Research, ISSN 0378-7796, 2010, Volume 80, Issue 8, pp. 935 - 942
Journal Article
International Journal of Electrical Power and Energy Systems, ISSN 0142-0615, 2010, Volume 32, Issue 8, pp. 904 - 910
This paper is on the problem of short-term hydro scheduling (STHS), particularly concerning head-dependent reservoirs under competitive environment. We propose... 
Short-term hydro scheduling (STHS) | Head dependence | Mixed-integer nonlinear programming (MINLP) | Electricity market | Electricity market Head dependence | ALGORITHM | MODEL | ENGINEERING, ELECTRICAL & ELECTRONIC | PARTICLE SWARM OPTIMIZATION | COMMITMENT | HYDRO-CHAIN | POWER-GENERATION | SYSTEMS | NETWORK FLOW
Journal Article
Journal Article