<p>The Financial Times reports comments by the chief financial officer of RWE, Klaus Sturany, that electricity suppliers were deeply unhappy about the regulator&#0039;s plans to approve increases in access charges that were, he said, legally questionable in some cases.<br /><br />The newspaper says that Mr Sturany&#0039;s comments echo similar remarks made by E.ON boss Wulf Bernotat, who has described negotiations between suppliers and the regulator as tense.</p>