Home About us Contact log in Contact information Turku Region District Heating Ltd PL 105 Linnankatu 65 20100 TURKU Tel: + 358-2-262 8169 Fax: + 358-2-262 8350 Turku Region District Heating Ltd Turku Region District Heating Ltd is responsible for district heat transmission in the Turku region. Its shareholders are Turku Energia, the cities of Kaarina, Naantali and Raisio, and Fortum Power and Heat Oy. The company was founded in 1979 and owns the first regional heat transfer system in Finland. The amount of heat transferred by Turku Region District Heating Ltd in 2009 was 1,500,000 MWh.