Introduction. Restructuring electricity systems in transition (L. Mez et al.). Regulation beyond market and hierarchy: an excursion into regulation theory (A. Midttun). Varieties of Liberal Reform. The British market reform: a centralistic capitalist approach (S. Thomas). The Norwegian, Swedish and Finnish reforms: competitive public capitalism and the emergence of the Nordic internal market (A. Midttun). Systems in Negotiated Transition. Energy efficiency and the political economy of the Danish electricity system (F. Hvelplund). The Dutch electricity reform: reorganisation by negotiation (M.J. Arentsen et al.). Public Service Oriented and Cartellised Monopolies. The French electricity regime (M. Poppe, L. Cauret). The German electricity reform attempts: reforming co-optive networks (L. Mez). Comparative Analysis. Electricity policy within the European Union: one step forward, two steps back (A. Midttun). Regulation paradigms and regulation practice: a comparative review (A. Midttun). The politics of electricity regulation (L. Mez, A. Midttun).