FRANKFURT (Reuters) - A German cartel office spokesman on Monday said it was too early to comment on possible hurdles for the planned asset swap deal that utilities E.ON and RWE plan around their sector peer Innogy.

The proposed mega deal that rocked the energy and utilities markets at the weekend after a surprise announcement is expected to involve German and European antitrust authorities.

(Reporting by Anneli Palmen, writing by Vera Eckert, editing by Emma Thomasson)

Stocks treated in this article : RWE, E.ON, innogy SE