 Investments Ruukki has made in Russia has delivered results for Ruukki is now the largest steel constructor on the Russian market west of the Urals.In May 2011 Ruukki stated it was the first manufacturer which had developed a solar panel facade converting the sun's rays to electricity.The photovoltaic system is fully integrated into a facade and the electricity produced can be used either to serve the needs of the building itself or it can be fed into the public grid.