UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities

Exchange Act of 1934 (Amendment No. )

Filed by the Registrant þ                            Filed by a Party other than the Registrant ¨

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¨ Preliminary Proxy Statement

¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨ Definitive Proxy Statement

þ Definitive Additional Materials

¨ Soliciting Material Pursuant to §240.14a-12

Real Goods Solar, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the

Shareholder Meeting to Be Held on May 12, 2010

	REAL GOODS SOLAR, INC.	Meeting Information Meeting Type: Annual Meeting For holders as of: March 12, 2010 Date: May 12, 2010            Time: 4:30 PM MDT
		Location:	Marriott Courtyard
			948 West Dillon Road
	REAL GOODS SOLAR, INC. 833 W. SOUTH BOULDER ROAD LOUISVILLE, CO 80027 ATTN: PAM BROWN		Louisville, Colorado 80027
		You are receiving this communication because you hold shares in the above named company. This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting.
		See the reverse side of this notice to obtain proxy materials and voting instructions.

— Before You Vote —

How to Access the Proxy Materials

Proxy Materials Available to VIEW or RECEIVE:

1. Form 10-K        2. Notice & Proxy Statement

How to View Online:

Have the 12-Digit Control Number available (located on the following page) and visit: www.proxyvote.com.

How to Request and Receive a PAPER or E-MAIL Copy:

If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:

1) BY INTERNET:        www.proxyvote.com

2) BY TELEPHONE:    1-800-579-1639

3) BY E-MAIL*:            sendmaterial@proxyvote.com

*  If requesting materials by e-mail, please send a blank e-mail with the 12-Digit Control Number (located on the following page) in the subject line.

Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before April 28, 2010 to facilitate timely delivery.

— How To Vote — Please Choose One of the Following Voting Methods

Vote In Person: Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting you will need to request a ballot to vote these shares. Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the 12-Digit Control Number available and follow the instructions. Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

Voting items

The Board of Directors recommends that you vote FOR the following:

1.     Election of Directors         Nominees
01    Jirka Rysavy	02    Lynn Powers	03    John Schaeffer	04    James Argyropoulos	05    Scott Lehman
06    Barbara Mowry

NOTE: In the discretion of the proxies, on such other business as may properly come before the meeting and at any adjournment(s) or postponement(s) thereof.

This proxy, when properly executed, will be voted in the manner directed herein. If no direction is made, this proxy will be voted FOR the election of the nominees for director, FOR each proposal and, in the discretion of the proxies, with respect to such other business as may properly come before the meeting.