1. Bodis K, Monfori F, Szabo S (2014) Could Europe have more mini hydro sites? A suitability analysis based on continentally harmonized geographical and hydrological data. Renewable and Sustainable Energy Review 37:794–808
2. Chang X, Liu X, Zhou W (2010) Hydropower in China at present and its further development. Energy 35(11):4400–4406
3. Directive 2001/77/EC of the European Parliament and of the Council of 27 September 2001 on the promotion of electricity produced from renewable energy sources in the internal electricity market (Official Journal of the European Communities L 283/33, 27.10.2001) (in Polish)
4. Directive 2009/28/EC of the European Parliament and of the Council of 23 April 2009 on the promotion of the use of energy from renewable sources and amending and subsequently repealing Directives 2001/77/EC and 2003/30/EC (Official Journal of the European Union L 140/16, 5.6.2009) (in Polish)
5. Directive 2009/72/EC of the European Parliament and of the Council of 13 July 2009 concerning common rules for the internal market in electricity and repealing Directive 2003/54/EC (Official Journal of the European Union 55/112L, 9002.8.41) (in Polish).