TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The glass exhibits a water content of less than 20 mmoles/liter, preferably less than 10 mmoles/liter. The photovoltaic application comprises cadmium-tellurium, copper-indium-selenium (CIS)- or copper-indium-gallium-(di)selenide (CIGS)-photovoltaic applications. The photovoltaic application represents a thin-layer photovoltaic application. The glass is used as a glass substrate, superstrate glass and/or cover glass, as a substrate in a thin layer solar cell or a substrate in a planar, curved, spherical or cylindrical form. The glass exhibits a sodium oxide content of greater than 10 wt.%, preferably greater than 15 wt.%. The glass exhibits a transformation temperature of greater than 580 degrees C, preferably greater than 600 degrees C and a processing temperature of less than 1270 degrees C, preferably less than 1150 degrees C. The glass in the temperature range of 20-300 degrees C exhibits a thermal expansion coefficient of 7-11 x 10-6/K, preferably 8.5-10 x 10-6/K. The glass comprises (in wt.% based on oxide): silicon dioxide (49-69), boric oxide (49 to less than 61, preferably 0-2), aluminum oxide (greater than 4.7 to 19, preferably greater than 5 to 17), lithium oxide (0-4, preferably 0 to less than 0.3), sodium oxide (greater than 10 to 18, preferably greater than 15 to 18), potassium oxide (greater than 0 to 8, preferably greater than 0 to less than 4), magnesium oxide (0-6), calcium oxide (0 to less than 5), strontium oxide (0 to 7, preferably 0 to less than 0.5), barium oxide (0-10, preferably 2-4), fluorine (0-3), titanium dioxide (0-6, preferably less than 0.1 to 5), iron oxide (0-0.5), zirconium oxide (greater than 0 to 6, preferably 1.5-5), zinc oxide (0-3, preferably 0.3-1.8), cerium oxide (0-3), tungsten oxide (0-3), bismuth oxide (0-3), and molybdenum trioxide (0-3), where the sum of magnesium oxide, calcium oxide, strontium oxide and barium oxide is 15 wt.%, the sum of barium oxide and zirconium oxide is 2-15 wt.%, preferably 3-15 wt.% and the glass exhibits a conventional refining agent, e.g. sulfates, chlorides, antimony trioxide, arsenic trioxide or tin oxide. EXAMPLE - Typical glass composition comprised of silicon dioxide (62.90 wt.%) , aluminum oxide (17 wt.%), sodium oxide (12 wt.%), potassium oxide (4 wt.%), magnesium oxide (3.70 wt.%), calcium oxide (0.30 wt.%), arsenic trioxide (0.10 wt.%) and water content (23 mmoles/liter).