10-K, 10-Q and 8-K Power of Attorney – Edison International

EDISON INTERNATIONAL

10-K, 10-Q, AND 8-K POWER OF ATTORNEY

The undersigned, EDISON INTERNATIONAL, a California corporation, and certain
of its officers and/or directors do each hereby constitute and appoint, ROBERT
L. ADLER, W. JAMES SCILACCI, POLLY L. GAULT, MARK C. CLARKE, BARBARA E. MATHEWS,
ROBERT C. BOADA, GEORGE T. TABATA, JEFFERY D. DURAN, PAIGE W. R. WHITE, MICHAEL
A. HENRY, KEITH J. LARSON, KATHLEEN BRENNAN DE JESUS, JEFFREY C. WEEKLEY, DARLA
F. FORTE, BONITA J. SMITH, MARGA ROSSO, VICTORIA A. PRIETO, and MARTHA K. SOLIS,
or any of them, to act as attorney-in-fact, for and in their respective names,
places, and steads, to execute, sign, and file or cause to be filed an Annual
Report on Form 10-K for the fiscal year ended December 31, 2010, Quarterly
Reports on Form 10-Q for each of the first three quarters of fiscal year 2011,
any Current Reports on Form 8-K from time to time during 2011 and through
December 8, 2011, or in the event this Board of Directors does not meet on
December 8, 2011, through the next succeeding date on which this Board holds a
regular meeting, and any and all supplements and amendments thereto, to be filed
by Edison International with the Securities and Exchange Commission, under the
Securities Exchange Act of 1934, as amended, (the “Act”), for the purpose of
complying with Sections 13 or 15(d) of the Act, granting unto said
attorneys-in-fact, and each of them, full power and authority to do and perform
all and every act and thing whatsoever requisite, necessary and appropriate to
be done in and about the premises as fully and to all intents and purposes as
the undersigned or any of them might or could do if personally present, hereby
ratifying and approving the acts of each of said attorneys-in-fact.

Executed at Rosemead, California, as of this 9th day of December, 2010.

2011 Edison International
10-K, 10-Q, and 8-K Power of Attorney