LIMITED POWER OF ATTORNEY


The undersigned hereby constitutes and appoints each of Daniel Yates,
Thomas G. Kramer, Donald Saelinger and Richard Kline, signing singly,
and with full power of substitution, the undersigned's true and lawful
attorney-in-fact to:

(1) execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer and/or director of Opower, Inc. (the "Company"),
from time to time the following U.S. Securities and Exchange Commission
("SEC") forms: (i) Form ID, including any attached documents, to effect
the assignment of codes to the undersigned to be used in the
transmission of information to the SEC using the EDGAR System;
(ii) Form 3, Initial Statement of Beneficial Ownership of Securities,
including any attached documents; (iii) Form 4, Statement of Changes in
Beneficial Ownership of Securities, including any attached documents;
(iv) Form 5, Annual Statement of Beneficial Ownership of Securities in
accordance with Section 16(a) of the Securities Exchange Act of 1934,
as amended, and the rules thereunder, including any attached documents;
(v) Schedule 13D and (vi) amendments of each thereof, in accordance
with the Securities Exchange Act of 1934, as amended, and the rules
thereunder, including any attached documents;

(2) do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete and
execute any such Form 3, 4 or 5, Schedule 13D or any amendment(s)
thereto, and timely file such form(s) with the SEC and any securities
exchange, national association or similar authority; and

(3) take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of
benefit to, in the best interest of, or legally required by, the
undersigned, it being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Power of
Attorney shall be in such form and shall contain such terms and
conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact, acting
singly, full power and authority to do and perform any and every act
and thing whatsoever requisite, necessary or proper to be done in the
exercise of any of the rights and powers herein granted, as fully to
all intents and purposes as the undersigned might or could do if
personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or
such attorney-in-fact's substitute or substitutes, shall lawfully do
or cause to be done by virtue of this power of attorney and the rights
and powers herein granted.  The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request
of the undersigned, are not assuming, nor is the Company assuming, any
of the undersigned's responsibilities to comply with Section 16 or
Regulation 13D-G of the Securities Exchange Act of 1934, as amended.
The undersigned hereby agrees to indemnify the attorney in fact and the
Company from and against any demand, damage, loss, cost or expense
arising from any false or misleading information provided by the
undersigned to the attorney-in fact.

This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file such forms with respect to
the undersigned's holdings of and transactions in securities issued by
the Company, unless earlier revoked by the undersigned in a signed
writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of January 12, 2015.

/s/ Marcus Ryu