... ΔPL2(s)=ΔPL2/s = - 0.1/s pu. Thereafter: Energy Storage in the Emerging Era of Smart Grids 350 efficiency of an interconnected system is increased by more fully loading existing generation plants, ... eqn9,eqn10,eqn11,eqn12,eqn13,eqn14,eqn15,ic1, Table 6. Mathematica input program for stability analysis of Figs. 17-19 (continuation) Energy Storage in the Emerging Era of Smart Grids 364 vtria1 ... line in September 2007 generated during a recent 14-month period the data of Table 1 indicating the cumulative net meter reading Enet meter, the total generated AC energy Egenerated , the...