Deutsche Bank sees substantial room for improvement over the longer term in cost per watt terms â from $0.50/w to $0.20/w â as solar gains mainstream acceptance, is recognized as a cost competitive source of electricity, and companies develop new/improved methods to interact with customers.nverter prices typically decline 10-15 per cent per year, Deutsche Bank says, and it expects this trend to continue into the future. Large solar installers are already achieving $0.25/w or lower on large supply deals, and additional savings will be found over the next several years.
Construction of the Berlin Wall. The Berlin Wall was erected on August 13, 1961. Early on that Sunday morning the GDR began, under Secretary General Erich Honecker, to block off East Berlin and the GDR from West Berlin by means of barbed wire and antitank obstacles.
When the Berlin Wall was opened on November 9, 1989 it marked for many the symbolic end of that war. Back to The Cold War Chronology To find the cause of the fall of the Berlin Wall, one must look, not in Germany, but in the Soviet Union.The change began when Mikhail Gorbachev came to power in the Soviet Union in 1985.hen the Berlin Wall was opened on November 9, 1989 it marked for many the symbolic end of that war. Back to The Cold War Chronology To find the cause of the fall of the Berlin Wall, one must look, not in Germany, but in the Soviet Union. The change began when Mikhail Gorbachev came to power in the Soviet Union in 1985.