Large Time-Varying Volatility Models for Electricity Prices
Angelica Gianfreda (),
Francesco Ravazzolo () and
No No 05/2020, Working Papers from Centre for Applied Macro- and Petroleum economics (CAMP), BI Norwegian Business School
We study the importance of time-varying volatility in modelling hourly electricity prices when fundamental drivers are included in the estimation. This allows us to contribute to the literature of large Bayesian VARs by using well-known time series models in a huge dimension for the matrix of coefficients. Based on novel Bayesian techniques, we exploit the importance of both Gaussian and non-Gaussian error terms in stochastic volatility. We find that by using regressors as fuels prices, forecasted demand and forecasted renewable energy is essential in order to properly capture the volatility of these prices. Moreover, we show that the time-varying volatility models outperform the constant volatility models in both the in-sample model- fit and the out-of-sample forecasting performance.
Keywords: Electricity; Hourly Prices; Renewable Energy Sources; Non-Gaussian; Stochastic-Volatility; Forecasting (search for similar items in EconPapers)
Pages: 28 pages
New Economics Papers: this item is included in nep-ecm, nep-ene, nep-ets, nep-for, nep-reg and nep-rmg
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Persistent link: https://EconPapers.repec.org/RePEc:bny:wpaper:0088
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