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The mining sector is currently undergoing a transformation. The reforms result from the difficult economic situation in mining companies, which is a consequence of the low price of natural gas, substantial coal supplies in ports and power plants storage sites as well as the growing energy production from renewable sources. Unfortunately, a drop in prices does not cause a decrease in the cost of raw material production. Such a situation causes that Polish coal is not competitive on international markets. The ongoin...

Polish energy security is determined by numerous diverse factors. The country?s energy security level and the character of energy policy are significantly influenced by national resources, so the energy mix structure is mainly based on hard and brown coals. Other influential factors result from the political and economic situation in the region and the world. The European Union?s energy policy is directed at decarbonization and an increase in the share of renewable energy sources. How do the transformations threat...

Forecasting a demand for hard coal is no easy feat, especially at times when there are constant transformations of the country?s energy mix structure. This stage should be realized in every mining company as grave mistakes in estimating a prospective sale may result in a disadvantageous economic situation of a company. The article presents an autoregressive model which mining companies may use to analyse the predicted sale of a raw material in order to plan an action strategy based on the achieved results.