Security Assessment of Power Systems Including Energy Storage and with the Integration of Wind Energy [open pdf - 6MB]
This is the U.S. Department of Energy's Progress Report from October 1-December 31, 1979 on the security assessment of power systems including energy storage and with the integration of wind energy.
U.S. Dept. of Energy: DOE/ET/29100-11
U.S. Dept. of Energy, Office of Scientific and Technical Information: http://www.osti.gov/