Gazprom will allocate about RUB 1 billion in 2015 to build four gas pipelines in Leningrad region and design 19 others. Before the end of 2015, the company plans to build a natural gas filling station in Gatchina, the fourth such facility in the region. Gazprom also plans to build two gas-fired boilers, in Tikhvin and Boksitogorsk.