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                                        Delaware                          
             | 
            
                                       41-2170618                        
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          |
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               (State
                or other jurisdiction of 
              incorporation
                or organization) 
             | 
            
               (I.R.S.
                Employer 
              Identification
                No.) 
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               Title
                of securities to be registered 
             | 
            
               Amount
                to be 
              registered(1) 
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               Proposed 
              maximum
                offering 
              price
                per share (2) 
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               Proposed 
              maximum
                aggregate 
              offering
                price (2) 
             | 
            
               Amount
                of 
              registration
                fee 
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| 
               Common
                Stock, $.001 par value 
             | 
            
               2,000,000
                shares 
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               $13.70 
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               $27,400,000 
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               $2,932 
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| 
               (1) 
             | 
            
               In
                the event of a stock split, stock dividend, anti-dilution adjustment
                or
                similar transaction involving common stock of the Registrant, in
                order to
                prevent dilution, the number of shares registered shall be automatically
                increased to cover the additional shares in accordance with Rule
                416(a)
                under the Securities Act of 1933, as
                amended. 
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               (2) 
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               The
                proposed maximum offering price per share has been estimated solely
                for
                the purpose of calculating the registration fee pursuant to Rule
                457(c) of
                the Securities Act of 1933 and is based upon the average of high
                and low
                sales prices of the Registrant’s common stock on the Nasdaq Global Market
                on September 26, 2006. 
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| 
               · 
             | 
            
               Our
                current report on Form 8-K for September 6, 2006, as filed with the
                Securities and Exchange Commission on September 12, 2006 (File No.
                0-21467); 
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| 
               · 
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               Our
                current report on Form 8-K for August 23, 2006, as filed with the
                Securities and Exchange Commission on August 29,
                2006; 
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| 
               · 
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               Our
                quarterly report on Form 10-Q for the three and six months ended
                June 30,
                2006, as filed with the Securities and Exchange Commission on August
                18,
                2006; 
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| 
               · 
             | 
            
               Our
                current report on Form 8-K for August 9, 2006, as filed with the
                Securities and Exchange Commission on August 15,
                2006; 
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| 
               · 
             | 
            
               Our
                current report on Form 8-K for June 26, 2006, as filed with the Securities
                and Exchange Commission on June 27,
                2006; 
             | 
          
| 
               · 
             | 
            
               Our
                current report on Form 8-K for June 20, 2006, as filed with the Securities
                and Exchange Commission on June 21,
                2006; 
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| 
               · 
             | 
            
               Our
                current report on Form 8-K for May 25, 2006, as filed with the Securities
                and Exchange Commission on May 31,
                2006; 
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| 
               · 
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               Our
                quarterly report on Form 10-Q for the three months ended March 31,
                2006,
                as filed with the Securities and Exchange Commission on May 15,
                2006; 
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| 
               · 
             | 
            
               Our
                current report on Form 8-K for April 19, 2006, as filed with the
                Securities and Exchange Commission on April 24,
                2006; 
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| 
               · 
             | 
            
               Our
                annual report on Form 10-KSB for the year ended December 31, 2005,
                as
                filed with the Securities and Exchange Commission on April 14,
                2006; 
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| 
               · 
             | 
            
               Our
                current report on Form 8-K for April 13, 2006, as filed with the
                Securities and Exchange Commission on April 19,
                2006; 
             | 
          
| 
               · 
             | 
            
               Our
                current report on Form 8-K for January 26, 2006, as filed with the
                Securities and Exchange Commission on February 1, 2006;
                and 
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               · 
             | 
            
               The
                description of our capital stock contained in Amendment No. 3 to
                Registration Statement on Form S-1 (Reg. No. 333-127714), as filed
                with
                the Securities and Exchange Commission on November 30, 2005, including
                any
                amendments or reports filed for the purpose of updating such
                description. 
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               · 
             | 
            
               we
                shall indemnify our directors and officers for serving us in those
                capacities or for serving other business enterprises at our request,
                to
                the fullest extent permitted by Delaware
                law; 
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               · 
             | 
            
               we
                may, in our discretion, indemnify employees and agents in those
                circumstances where indemnification is not required by
                law; 
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               · 
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               we
                are required to advance expenses, as incurred, to our directors and
                officers in connection with defending a proceeding, except that such
                director or officer shall undertake to repay such advance if it is
                ultimately determined that such person is not entitled to
                indemnification; 
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| 
               · 
             | 
            
               the
                rights conferred in the bylaws are not exclusive, and we are authorized
                to
                enter into indemnification agreements with its directors, officers,
                employees and agents and to obtain insurance to indemnify such persons;
                and 
             | 
          
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               · 
             | 
            
               we
                may not retroactively amend the bylaw provisions to reduce its
                indemnification obligations to directors, officers, employees and
                agents. 
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               4.1 
             | 
            
               2006
                Stock Incentive Plan 
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| 
               5.1 
             | 
            
               Opinion
                of Rutan & Tucker, LLP 
             | 
          
| 
               23.1 
             | 
            
               Consent
                of Independent Registered Public Accounting Firm 
             | 
          
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               24.1 
             | 
            
               Power
                of Attorney (contained on the signature pages to this Registration
                Statement) 
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| 
               PACIFIC
                ETHANOL, INC., 
              a
                Delaware corporation 
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          ||
|   | 
              | 
              | 
          
| By: | /s/ NEIL M. KOEHLER | |
| 
               Neil M. Koehler  | 
          ||
| President and Chief Executive Officer | ||
| 
               Name 
             | 
            
               Title 
             | 
            
               Date 
             | 
          ||
| 
               /s/
                WILLIAM L. JONES 
                 
              William
                L. Jones 
             | 
            
               Chairman
                of the Board and Director 
             | 
            
               September
                27, 2006 
             | 
          ||
| 
               /s/
                NEIL M. KOEHLER 
                 
              Neil
                M. Koehler 
             | 
            
               President,
                Chief Executive Officer and Director (principal executive
                officer) 
             | 
            
               September
                27, 2006 
             | 
          ||
| 
               /s/
                WILLIAM G. LANGLEY 
                 
              William
                G. Langley 
             | 
            
               Chief
                Financial Officer (principal financial and accounting
                officer) 
             | 
            
               September
                27, 2006 
             | 
          ||
| 
               /s/
                FRANK P. GREINKE 
                 
              Frank
                P. Greinke 
             | 
            
               Director 
             | 
            
               September
                27, 2006 
             | 
          ||
| 
               /s/
                DOUGLAS L. KIETA 
                 
              Douglas
                L. Kieta 
             | 
            
               Director 
             | 
            
               September
                27, 2006 
             | 
          ||
| 
               /s/
                JOHN L. PRINCE 
                 
              John
                L. Prince 
             | 
            
               Director 
             | 
            
               September
                27, 2006 
             | 
          ||
| 
               /s/
                TERRY L. STONE 
                 
              Terry
                L. Stone 
             | 
            
               Director 
             | 
            
               September
                27, 2006 
             | 
          ||
| 
               /s/
                ROBERT P. THOMAS 
                 
              Robert
                P. Thomas 
             | 
            
               Director 
             | 
            
               September
                27, 2006 
             | 
          
| 
               4.1 
             | 
            
               2006
                Stock Incentive Plan 
             | 
          
| 
               5.1 
             | 
            
               Opinion
                of Rutan & Tucker, LLP 
             | 
          
| 
               23.1 
             | 
            
               Consent
                of Independent Registered Public Accounting Firm 
             | 
          
| 
               24.1 
             | 
            
               Power
                of Attorney (contained on the signature pages to this Registration
                Statement) 
             |