Romania is known for its diverse energy sources, including oil, natural gas, and hydropower. The country has a long history of producing energy, with some of the most well-known brands in the industry.

One of the most popular production cities for energy in Romania is Ploiești, located in the south of the country. Ploiești is known for its oil refineries and has been a hub for energy production for over a century. The city is home to several major energy companies, including Petrom and Rompetrol, which are among the largest in the country.

Another important production city for energy in Romania is Brașov, located in the central part of the country. Brașov is known for its natural gas production and is home to several major energy companies, including Transgaz and Romgaz. The city is also a hub for renewable energy production, with several wind and solar farms in the surrounding area.

In addition to these production cities, Romania is also home to several popular energy brands. One of the most well-known is OMV Petrom, which is the largest oil and gas company in the country. OMV Petrom is involved in all aspects of the energy industry, from exploration and production to refining and distribution.

Another popular energy brand in Romania is CEZ Group, a Czech-based company that is one of the largest energy producers in the country. CEZ Group operates several power plants in Romania, including hydroelectric, wind, and solar facilities.

Overall, Romania is a major player in the energy industry, with a diverse range of energy sources and popular production cities. The country's energy brands are well-known both domestically and internationally, making Romania an important player in the global energy market.…