$ES SEC Filings

Filing Filed On
FORM 8-K 06 Apr 2012
RULE 425 06 Apr 2012
RULE 425 05 Apr 2012
RULE 425 03 Apr 2012
RULE 425 03 Apr 2012
FORM 8-K 03 Apr 2012
FORM 8-K 27 Mar 2012
RULE 425 14 Mar 2012
FORM 8-K 13 Mar 2012
RULE 425 28 Feb 2012
SLIDE PRESENTATION 28 Feb 2012
RULE 425 23 Feb 2012
FORM 8-K 15 Feb 2012
RULE 425 15 Feb 2012
PRESS RELEASE DATED 01 19 2012 20 Jan 2012
CT PURA FINAL DECISION 19 Jan 2012
RULE 425 18 Jan 2012
RULE 425 10 Jan 2012
FORM 8-K 05 Jan 2012
LETTER TO NU SHAREHOLDERS 30 Dec 2011