Lahmeyer has engaged in 6 projects in Iran. (Lahmeyer Wesbite, "Projects, Iran")
According to the Lahmeyer website, it has contributed to four different projects in Iran: the Masjed-e-Soleiman Hydropower Station from 1998 to 2009; the Masjed-e-Soleiman Hydropower Plant from 1989 to 2009; the Siah Bishe Pumped Storage Plant from 1983 to 2009; and the Dez Hydropower Station from 2002 to 2003. (Lahmeyer Website, “Iran [List of Projects]”).
In October 2014, Iranian media reported that “[t]he Iranian minister added that Renewable Energy Organization of Iran has started extensive research on the country’s wind power potentials in collaboration with Germany’s Lahmeyer International and expressed optimism that German firms would continue to expand their cooperation with Iran regardless of the existing obstacles.” (Fars News, “Iranian President Hopes for Broadening Ties with Germany,” 10/5/2014).