Court of Justice 16 April 2013, C‑105/12 to C‑107/12 (Staat der Nederlanden v Essent NV (C‑105/12), Essent Nederland BV (C‑105/12), Eneco Holding NV (C‑106/12) and Delta NV (C‑107/12).)

OPINION OF ADVOCATE GENERAL JÄÄSKINEN delivered on 16 April 2013 ( 1 ) Joined Cases C‑105/12 to C‑107/12 De Staat der Nederlanden v Essent NV and Essent Nederland BV (C‑105/12), Eneco Holding NV (C‑106/12), Delta NV (C‑107/12) (Requests for a preliminary ruling from the Hoge Raad der Nederlanden (Netherlands)) ‛Energy distribution system operators — Absolute prohibition of privatisation — Rules