ABSTRACT
This chapter discusses aspects of the use of stationary batteries within the Deutsche Telekom AG. The names Deutsche Telekom or Telekom shall be used, although the responsibility for the area power supply for telecommunication networks was transferred to the Deutsche Telekom Immobilien und Service GmbH, (De Te Immobilien), a 100% subsidiary company of the Telekom, since January 1, 1996. At present, the DeTe Immobilien takes care of approximately 12,000 power supplies with a capacity overall of nearly 22 million Ah.
