LIMITED POWER OF ATTORNEY SECURITIES LAW COMPLIANCE
     The undersigned, as an officer or director of Echelon Corporation (the Corporation), 
hereby constitutes and appoints Oliver R. Stanfield, C. Michael Marszewski and Kathleen 
B. Bloch and each of them, the undersigned's true and lawful attorney-in-fact and agent 
to complete and execute such Forms 144, Form ID, Forms 3, 4 and 5 and other forms as 
such attorney shall in his or her discretion determine to be required or advisable pursuant 
to Rule 144 promulgated under the Securities Act of 1933, as amended, Section 16 of the 
Securities Exchange Act of 1934, as amended, and the rules and regulations promulgated 
thereunder, or any successor laws and regulations, as a consequence of the undersigned's 
ownership, acquisition or disposition of securities of the Corporation, and to do all acts 
necessary in order to file such forms with the Securities and Exchange Commission, any 
securities exchange or national association, the Corporation and such other person or 
agency as the attorney shall deem appropriate.  The undersigned hereby ratifies and 
confirms all that said attorneys-in-fact and agents shall do or cause to be done by virtue 
hereof.
     This Limited Power of Attorney shall remain in full force and effect until the 
undersigned is no longer required to file Forms 3, 4 and 5 with respect to the 
undersigned's holdings of and transactions in securities issued by the 
Corporation unless earlier revoked by the undersigned in a writing delivered to the 
foregoing attorneys-in-fact.
     This Limited Power of Attorney is executed at Rome, Italy, as of the date set forth 
below. 
          Signature: /s/ Livio Gallo
          Print Name: Livio Gallo
          Dated: 7/05/2011
Seen for the legalization of the signature of Mr. Livio Giovanni Battista Maria Gallo born 
the 17 June 1950 in Belgirate (VB), of whom identity I the notary am certain.
Rome 5 July 2011
Signature: /s/ Nicola Di Giuseppe
    Notaio in Roma