2011: burns 15-85 coal to biomass ratio In 1933 the company became Blandin Paper Company and in 1997 the plant was purchased by the UPM Kymmene Group based in Finland and the plant name was changed to Blandin Paper Company a Member of the UPM Kymmene Group. In 1999 Minnesota Power purchased the cogen facility. Provides Blandin Paper Company with steam, compressed air, & electricity. Blandin Paper Company (Blandin) and Minnesota Power operate a Pressurized Groundwood (PGW) pulp mill and paper facility in Grand Rapids, Minnesota. Blandin operates the pulp and paper mill while Minnesota Power operates the steam and electricity production facility at the Blandin site, using its own employees and selling steam and electricity back to Blandin. The main contributing air emission sources at the plant consist of four boilers (2 natural gas-fired units and 2 wood/coal-fired units), a pressurized groundwood (PGW) mill, four paper machines, and four coater/dryers. Blandin has a potential-to-emit (PTE) of greater than 250 tons per year for all criteria pollutants except lead and thus is a major source under the federal Prevention of Significant Deterioration (PSD) program The main power boilers (the wood/coal-fired units) are controlled by high efficiency electrostatic precipitators.