Modeling power grids
  We present a method to construct random model power grids that closely match statistical properties of a real power grid. The model grids are more difficult to partition than a real grid. 
P.A. Rikvold, I. Abou Hamad, B. Israels (Florida State Univ.) and S.V.   Poroseva (Univ. of New Mexico)
physics.soc-ph cond-mat.stat-mech