UNITED STATES SECURITIES AND EXCHANGE COMMISSION

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

~~PURSUANT~~Pursuant TOto ~~SECTION~~ Section 13 ORor 15(d) of OFthe ~~THE~~Securities ~~SECURITIES~~Exchange ~~EXCHANGE~~Act ~~ACT~~of OF 1934

Date of Report (Date of ~~earliest~~Earliest ~~event~~Event ~~reported~~Reported): ~~October~~ 30November 1, 2011

~~BEACON~~Beacon ~~POWER~~Power ~~CORPORATION~~Corporation

(Exact ~~Name~~name of ~~Registrant~~registrant as ~~Specified~~specified in ~~Charter~~its charter)

Delaware (State or Other Jurisdiction of Incorporation) 000-31973 (Commission File Number) 04-3372365 (IRS Employer Identification No.)

Delaware	000-31973	04-3372365
(State or other jurisdiction	(Commission	(I.R.S. Employer
of incorporation)	File Number)	Identification No.)

65 Middlesex Road

65 Middlesex Road
Tyngsboro, Massachusetts		01879
(Address of principal executive offices)		(Zip Code)

~~Tyngsboro~~Registrant’s telephone number, ~~Massachusetts~~including ~~01879~~area code: (978) 694-9121

(Address of Principal Executive Offices) (Zip Code)

(978) 694-9121

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 13.0301. ~~Bankruptcy~~Notice of Delisting or ~~Receivership~~Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing.

On ~~October 30~~November 1, 2011, Beacon Power Corporation, ~~a Delaware corporation~~ (the “Company”), ~~filed~~received anotice ~~voluntary~~from ~~petition~~The inNasdaq ~~the~~Listing ~~United~~Qualifications ~~States~~Staff ~~Bankruptcy~~(the ~~Court~~“Staff”) ~~for~~stating that the ~~District~~Staff ofhas ~~Delaware~~determined ~~seeking~~that ~~relief under~~ the ~~provisions~~Company’s ofsecurities ~~Chapter~~will 11be ofdelisted ~~the~~from ~~United~~The ~~States~~Nasdaq ~~Bankruptcy~~Stock ~~Code~~Market ~~(the~~LLC (“~~Bankruptcy Code~~Nasdaq”). The ~~filings,~~Staff ~~cases~~reached ~~nos.~~its ~~11-13450~~decision under Nasdaq Listing Rules 5101, ~~11-13451~~5110(b), and 11IM-~~13452,~~5101-1 ~~were~~following ~~made~~the byCompany’s ~~each~~announcement ofthat the Company and its subsidiaries, Stephentown Holding, LLC, aand ~~Delaware~~Stephentown ~~limited~~Regulation ~~liability~~Services, ~~company~~LLC, ~~and~~filed a ~~wholly-owned~~voluntary ~~subsidiary~~petition ofin the ~~Company~~United ~~(“Holdings”),~~States ~~and~~Bankruptcy ~~Stephentown~~Court ~~Regulation~~for ~~Services,~~the ~~LLC,~~District aof Delaware ~~limited~~on ~~liability~~October 30, ~~company~~2011 ~~and~~seeking arelief ~~wholly-owned~~under ~~subsidiary~~the provisions of ~~Holdings~~Chapter 11 of the United States Bankruptcy Code (~~“SRS”~~Case Nos. 11-13450, 11-13451 and 11-13452) (together, the “Bankruptcy Cases”).

~~The~~As previously disclosed, on September 30, 2011, the Company received a letter from Nasdaq indicating that for 30 consecutive business days, ~~Holdings~~the bid price of the Company’s common stock had closed below the minimum $1.00 per share requirement for continued inclusion on Nasdaq. Given this continued listing requirement, the early status of the Bankruptcy Cases and ~~SRS~~the ~~continue~~demands tothe ~~operate~~Bankruptcy ~~their~~Cases ~~respective~~have ~~businesses~~posed ason ~~debtors-in-possession~~the ~~under~~Company’s resources, the ~~jurisdiction~~Company does not plan to appeal the Staff’s determination to delist the Company’s common stock. Accordingly, trading of the ~~bankruptcy~~Company’s ~~court~~common stock will be suspended at the opening of business on November 10, 2011, and ina ~~accordance~~Form 25-NSE will be filed with the ~~applicable~~Securities ~~provisions~~and ofExchange Commission, which will remove the ~~Bankruptcy~~Company’s ~~Code~~securities from listing and registration on Nasdaq. After the ~~orders~~Company’s ofcommon stock is delisted by Nasdaq, it may trade on the ~~bankruptcy~~OTC ~~court~~Bulletin Board (“OTC BB”) or the Pink OTC Markets Inc. (the “Pink Sheets”), but only if a market maker applies to quote the Company’s common stock. There is no assurance that any market maker will decide to quote the Company’s common stock immediately following delisting by Nasdaq, or at all, and thus there is no assurance that the Company’s common stock will be eligible to trade on the OTC BB or the Pink Sheets.

Item 23.0403. ~~Triggering~~Material ~~Events~~Modification ~~That~~to ~~Accelerate~~Rights orof ~~Increase~~Security ~~a Direct Financial Obligation or an Obligation Under an Off-Balance Sheet Arrangement~~Holders.

~~The~~On ~~filing~~November 4, of2011, the ~~Bankruptcy~~Company ~~Cases~~filed ~~created~~a anmotion ~~event~~with the bankruptcy court for entry of ~~default~~an ororder ~~otherwise~~(the ~~triggered~~“Order”) orto ~~may~~establish ~~trigger~~restrictions ~~repayment~~on ~~obligations~~certain ~~under~~transfers aof ~~number~~equity securities of ~~instruments~~the Company and ~~agreements~~notice and hearing procedures relating thereto. The motion requested that the Order be entered with retroactive effect to ~~direct~~the ~~and~~date ~~indirect~~of ~~financial~~the ~~obligations~~filing of the ~~Company:~~motion, November 4, 2011.

~~· Department~~The ofCompany ~~Energy~~has ~~Loan: Under~~substantial ~~the~~net ~~Common~~operating ~~Agreement,~~losses ~~dated~~and asother oftax ~~August~~attributes 6,for ~~2010,~~United byStates ~~and~~federal ~~among~~income ~~SRS~~tax aspurposes ~~Borrower,~~(“tax ~~the~~attributes”) ~~Department~~that ofcan ~~Energy~~generally asbe ~~Credit~~used ~~Party~~to ~~and~~offset asits ~~Loan~~future ~~Servicer,~~taxable income and ~~Midland~~therefore ~~Loan~~reduce ~~Services,~~its ~~Inc.~~United asStates ~~Administrative~~federal ~~Agent~~income ~~and~~tax ~~Collateral~~obligations. The ~~Agent,~~Company’s ~~and~~ability ~~related~~to ~~documents~~use ~~including~~these ~~the~~tax ~~corporate~~attributes, ~~guaranty~~however, ofwill ~~certain~~be ~~obligations~~adversely ofaffected ~~SRS~~if by the Company ~~(collectively,~~has ~~the~~an “~~DOE~~ownership ~~Loan Documents~~change”), ~~the~~as ~~credit~~defined ~~facility~~under ~~commitment~~Section 382 ~~governed~~of bythe Internal Revenue Code (the ~~Common~~“Code”). ~~Agreement~~Generally, ~~will~~an be“ownership ~~automatically~~change” ~~terminated~~would ~~and~~occur if the ~~Department~~percentage of ~~Energy-guaranteed~~the ~~loans~~Company’s ~~will~~stock ~~immediately~~owned ~~mature~~by ~~and~~one ~~become~~or ~~due~~more ~~and~~“five ~~payable~~percent stockholders,” as ~~without~~defined ~~any~~under ~~presentment~~Section 382 orof ~~other~~the ~~notice~~Code, ofincreases ~~any~~by ~~kind~~more asthan afifty ~~result~~percentage ofpoints over the ~~filing~~lowest percentage of ~~the~~stock ~~Bankruptcy~~owned ~~Cases. The~~by ~~current~~such ~~principal~~stockholders ~~amount~~at ~~outstanding~~any ~~under~~time during the ~~DOE~~prior ~~Loan~~three-year ~~Documents is approximately $39~~period.~~1 million.~~

~~· MassDev~~If ~~Loan: Under~~entered, the ~~promissory~~Order ~~note,~~would ~~dated~~prohibit ~~June~~any ~~30,~~person ~~2008~~from transferring, ~~issued~~directly byor ~~the~~indirectly, ~~Company~~any toequity ~~the~~securities, ~~Massachusetts~~including ~~Development~~options, ~~Finance~~of ~~Agency (“MassDev”) and related security documents (~~the ~~“MassDev~~Company ~~Loan”),~~if the ~~entire~~transfer ~~unpaid~~would ~~balance~~create ~~under~~or ~~the~~result ~~MassDev~~in ~~Loan,~~a ~~including~~person ~~principal,~~becoming ~~interest~~a ~~and~~direct ~~any~~or ~~other~~indirect ~~sums~~holder ~~which~~of ~~may~~4.5% ~~become~~or ~~due~~more ~~under~~of the ~~MassDev~~Company’s ~~Loan,~~common ~~shall,~~stock ~~upon~~or ~~notice~~increase ~~from~~or decrease the ~~holder,~~stock ~~immediately~~ownership ~~become~~of ~~due~~any ~~and~~existing ~~payable~~4.5% ~~without presentment~~stockholder, ~~further~~unless ~~demand~~such orperson ~~other~~provides advance written notice asof asuch ~~result~~transfer ofto the ~~filing~~bankruptcy ofcourt and the ~~Bankruptcy Cases~~Company. AsFurther, ofif ~~June 30~~entered, ~~2011,~~ the ~~amount~~Order ~~outstanding~~provides ~~under~~a procedure by which the ~~MassDev~~Company ~~Loan~~may ~~was~~object ~~approximately~~to $3such transfer.45 The ~~million~~bankruptcy court would rule on any such objection.

~~· Series~~Item B5.02. ~~Preferred~~Departure ~~Stock: Under the Certificate~~ of ~~Designations~~Directors relating to the Company’s outstanding Series B Convertible Preferred Stock, stated value $1,000 per share, issued December 23, 2010, the holder of the Preferred Stock shall have the right to require the Company to redeem all or aCertain ~~portion~~Officers; ofElection ~~the outstanding Preferred Shares at a price per share equal to the sum~~ of ~~(i)~~Directors; ~~the~~Appointment ~~greater~~ of ~~(A)~~Certain ~~125%~~Officers; ofCompensatory ~~the~~Arrangements ~~Conversion Amount (meaning the sum~~ of ~~the~~Certain stated value and an additional amount representing accrued and unpaid dividends since the last dividend payment date) and (B) the product of (1) the conversion rate in effect at the time the holder delivers a notice of redemption and (2) the greatest closing sale price of the Company’s common stock during the period immediately preceding the filing of the Bankruptcy Cases and ending on the date the holder delivers a notice of redemption, and (ii) a make-whole amount per share that represents the amount of dividends that would have accrued had the relevant shares of Preferred Stock remained outstanding though their February 1, 2012 maturity date. As of June 30, 2011, thereOfficers

2On November 4, 2011, Virgil G. Rose resigned from the Board of Directors of the Company. Mr. Rose’s resignation from the Board of Directors of the Company was not a result of any disagreement with the Company or the Company’s Board of Directors.

~~were~~Item ~~847~~7.01. ~~shares~~Regulation ofFD ~~Preferred Stock outstanding~~Disclosure.

~~The~~On ~~Company~~November 7, ~~believes~~2011, ~~that any efforts to enforce~~ the ~~payment~~Company orposted ~~other~~an ~~obligations~~update ~~under~~on ~~these~~its ~~instruments~~status ~~are~~to ~~stayed~~its aswebsite ~~a result of~~ (the ~~filing~~“Statement”), ofattached ~~the~~as ~~Bankruptcy~~Exhibit 99.1, ~~Cases~~which inis ~~the~~incorporated ~~Bankruptcy~~by ~~Court~~reference herein.

~~Forward~~Limitation on Incorporation by Reference. The information contained in Exhibit 99.1 is being furnished under Item 7.01 of Form 8-~~Looking~~K ~~Information~~and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such a filing.

This Current Report on Form 8-K contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are not guarantees of future results and conditions but rather are subject to various factors, risks and uncertainties that could cause our actual results to differ materially from those expressed in these forward-looking statements, including, but not limited to: (i) the potential adverse impact of the Bankruptcy Cases on our business, financial condition or results of operations, including our ability to maintain contracts and other customer and vendor relationships that are critical to our business and the actions and decisions of our creditors and other third parties with interests in our Bankruptcy Cases; (ii) our ability to maintain adequate liquidity to fund our operations during the Bankruptcy Cases and to fund a plan of reorganization and thereafter, including maintaining normal terms with our vendors and service providers during the Bankruptcy Cases and complying with the covenants and other terms of our financing agreements; (iii) our ability to obtain court approval with respect to motions in the Bankruptcy Cases prosecuted from time to time and to develop, prosecute, confirm and consummate one or more plans of reorganization with respect to the Bankruptcy Cases and to consummate all of the transactions contemplated by one or more such plans of reorganization or upon which consummation of such plans may be conditioned; (iv) risks associated with third parties seeking and obtaining court approval to terminate or shorten the exclusivity period for the Company to propose and confirm one or more plans of reorganization, for the appointment of a Chapter 11 trustee or to convert the Chapter 11 Bankruptcy Cases to Chapter 7 cases; (v) those factors identified in our filings with the Securities and Exchange Commission as may be accessed at www.sec.gov.2

~~The~~Cautionary ~~risks~~Note ~~and~~Regarding ~~uncertainties and the terms of any reorganization plan ultimately confirmed can affect the value of our various pre~~Forward-~~petition~~Looking ~~liabilities, common stock and/or other securities~~Statements. NoExcept ~~assurance~~for ~~can~~historical beinformation ~~given~~contained ~~as to what values, if any, will be ascribed~~ in the ~~bankruptcy~~statement ~~proceedings~~attached toas ~~each~~an ofexhibit ~~these constituencies. A plan of reorganization could result in holders of our liabilities and/or securities receiving no value for their interests. Because of such possibilities~~hereto, the ~~value~~statement ofcontains ~~these~~forward-looking ~~liabilities~~statements ~~and/or~~that ~~securities~~involve iscertain ~~highly~~risks ~~speculative~~ and ~~will~~uncertainties ~~pose~~that ~~substantial~~could ~~risks.~~cause ~~Trading~~actual ~~prices~~results ~~for~~to ~~the~~differ ~~Company’s~~materially ~~common~~from ~~stock~~those ~~may~~expressed ~~bear little~~ or noimplied ~~relationship to the actual recovery, if any,~~ by ~~holders~~these ~~thereof in the Bankruptcy Cases~~statements. ~~Accordingly,~~ ~~the~~Please ~~Company~~refer ~~urges extreme caution with respect~~ to ~~existing~~the ~~and~~cautionary ~~future~~notes ~~investments~~ in ~~its~~the ~~common~~statement ~~stock. Caution~~regarding ~~should~~these ~~be taken not to place undue reliance on our~~ forward-looking statements~~, which represent our view only as of the date of this Current Report on Form 8-K, and which we assume no obligation to update~~.

3Item 9.01 Financial Statements and Exhibits.

~~SIGNATURE~~(d) Exhibits

~~Pursuant~~99.1 Statement toby ~~the~~Beacon ~~requirements~~Power ofCorporation ~~the~~dated ~~Securities Exchange Act of 1934~~November 7, ~~the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized~~2011.

	BEACON POWER CORPORATION
Dated: October 31, 2011	By:	/s/ F. William Capp
		F. William Capp
		Chief Executive Officer

Forward-Looking Information

4This Current Report on Form 8-K contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are not guarantees of future results and conditions but rather are subject to various factors, risks and uncertainties that could cause our actual results to differ materially from those expressed in these forward-looking statements, including, but not limited to: (i) the potential adverse impact of the Bankruptcy Cases on our business, financial condition or results of operations, including our ability to maintain contracts and other customer and vendor relationships that are critical to our business and the actions and decisions of our creditors and other third parties with interests in our Bankruptcy Cases; (ii) our ability to maintain adequate liquidity to fund our operations during the Bankruptcy Cases and to fund a plan of reorganization and thereafter, including maintaining normal terms with our vendors and service providers during the Bankruptcy Cases and complying with the covenants and other terms of our financing agreements; (iii) our ability to obtain court approval with respect to motions in the Bankruptcy Cases prosecuted from time to time and to develop, prosecute, confirm and consummate one or more plans of reorganization with respect to the Bankruptcy Cases and to consummate all of the transactions contemplated by one or more such plans of reorganization or upon which consummation of such plans may be conditioned; (iv) risks associated with third parties seeking and obtaining court approval to terminate or shorten the exclusivity period for the Company to propose and confirm one or more plans of reorganization, for the appointment of a Chapter 11 trustee or to convert the Chapter 11 Bankruptcy Cases to Chapter 7 cases; (v) those factors identified in our filings with the Securities and Exchange Commission as may be accessed at www.sec.gov.

The risks and uncertainties and the terms of any reorganization plan ultimately confirmed can affect the value of our various pre-petition liabilities, common stock and/or other securities. No assurance can be given as to what values, if any, will be ascribed in the bankruptcy proceedings to each of these constituencies. A plan of reorganization could result in holders of our liabilities and/or securities receiving no value for their interests. Because of such possibilities, the value of these liabilities and/or securities is highly speculative and will pose substantial risks. Trading prices for the Company’s common stock may bear little or no relationship to the actual recovery, if any, by holders thereof in the Bankruptcy Cases. Accordingly, the Company urges extreme caution with respect to existing and future investments in its common stock. Caution should be taken not to place undue reliance on our forward-looking statements, which represent our view only as of the date of this Current Report on Form 8-K, and which we assume no obligation to update.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	BEACON POWER CORPORATION

November 7, 2011	By:	/s/ James M. Spiezio
		Name:	James M. Spiezio
		Title:	Chief Financial Officer

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