1 Introduction  
1.1 History and evolution of electricity price models in the literature  
1.2 Practicality of electricity price models  
1.3 Proposed classification  
1.4 Organization of the article  

2 Notation and preliminary remarks  
2.1 Classic relations  
2.2 The specific case of electricity  

3 Gaussian factors models  

4 Modeling of price spikes  
4.1 Lévy processes  
4.2 Regime-switching models  
4.3 Modeling of spike clusters  

5 Stochastic volatility models  
5.1 Generalization of the Schwartz model  
5.2 Semi-stationary Lévy processes  

6 Multidimensional models  
6.1 Correlation models  
6.2 Coupling factor models  
6.3 Cointegration models  

7 Structural models  
7.1 The initiating models  
7.2 Exponential shape of the supply curve  
7.3 Refinement of the supply curve: a merit-order principle  
7.4 The case of interconnected markets  

8 Conclusion and view on the future