Forward-Looking Statements

You should read the following discussion and analysis in conjunction with our consolidated financial statements and notes in Item 1 of this report and with our audited consolidated financial statements and notes included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2011.

This report contains or incorporates by reference forward-looking statements within the meaning of section 27A of the Securities Act of 1933 and section 21E of the Securities Exchange Act of 1934. All statements, other than statements of historical facts, included or incorporated in this report regarding our strategy, future operations, financial position, future revenues, projected costs, prospects, plans and objectives of management are forward-looking statements. The words "anticipates," "believes," "estimates," "expects," "intends," "may," "plans," "projects," "will," "would" and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. Examples of forward-looking statements include statements concerning our expected financial results; the competitive nature of the markets in which we compete; the demand for our products; our ability to introduce new products and technologies; our ability to effectively manage growth; and our ability to obtain sufficient capital to expand our business. We cannot guarantee that we actually will achieve the plans, intentions or expectations disclosed in our forward-looking statements and you should not place undue reliance on our forward-looking statements. There are a number of important factors that could cause our actual results to differ materially from those indicated by these forward-looking statements. These important factors include the factors set forth in

These risks include, among others, the following: our history of operating losses; our cash and liquidity position which has been reduced below the level that our primary lender will require to be in place as of September 15, 2012 and we are likely to need to raise additional capital or obtain a waiver from such lender to avoid being in default under the agreements with such lender; our ability to regain compliance with Nasdaq Marketplace Rules for continued listing on Nasdaq, as we are currently not in compliance and subject to delisting; the demand for our products; the availability of third-party financing arrangements for our customers; our ability to maintain our technological expertise in design and manufacturing processes; our ability to protect our intellectual property; our ability to attract and retain highly qualified personnel; our success against our competitors; our dependence on third-party suppliers; our exposure to losses from fixed price engineering contracts; our ability to manage our growth; product liability claims; environmental laws and regulations; demand for alternative energy solutions; the risks associated with international operations; the credit risks associated with some of our customers; our ability to meet our debt obligations; and the availability of sufficient funds for our corporate needs.

Forward-looking statements contained in this Quarterly Report speak only as of the date of this report. Subsequent events or circumstances occurring after such date may render these statements incomplete or out of date. We undertake no obligation and expressly disclaim any duty to update such statements.

Overview

Satcon Technology Corporation ("Satcon" or "Company") is a leading clean energy technology provider of utility-grade power conversion solutions for the renewable energy market. We design and deliver advanced power conversion solutions that enable large-scale producers of renewable energy to convert clean energy into grid-connected, efficient and reliable electrical power.

Our power conversion solutions boost total system power production through systems intelligence, advanced command and control capabilities, industrial-grade engineering and total lifecycle performance optimization. Our power conversion solutions feature the widest range of power ratings in the industry. We also offer system design services and solutions for management, monitoring, and performance measurement to maximize capital investment and improve overall quality and performance over the entire lifespan of an installation.

Reverse Stock Split

Effective July 19, 2012, we effected a 1-for-8 reverse stock split of our common stock, reducing the number of outstanding shares of common stock from approximately 144.2 million to approximately 18.0 million, and proportionately reduced the number of authorized shares of our common stock to 37.5 million. This Form 10-Q, including the accompanying consolidated financial statements and all related notes, reflect the results of the reverse stock split as if effected as of the first date presented.

Critical Accounting Policies and Significant Judgments and Estimates

Our discussion and analysis of our financial condition and results of our operations are based on our consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of these consolidated financial statements requires management to make significant estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the financial statements and the reported revenue and expenses during the reporting periods. On an ongoing basis, management evaluates its estimates and judgments, including those related to revenue recognition, receivable reserves, inventory reserves, contract losses, warranty reserves, long lived assets, and income taxes. Management bases its estimates on historical experience and on various other factors that are believed to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions. Our critical accounting estimates were discussed with our Audit Committee.

The significant accounting policies that management believes are most critical to aid in fully understanding and evaluating our reported financial results include the following:

Revenue Recognition

We recognize revenue from product sales when there is persuasive evidence of an arrangement, the fee is fixed or determinable, delivery of the product to the customer has occurred and we have determined that collection of the fee is probable. Title to the product passes upon shipment of the product, as the products are typically shipped FOB shipping point, except for certain foreign shipments. If the product requires installation to be performed by us, all revenue related to the product is deferred and recognized upon the completion of the installation. If the product requires specific customer acceptance, revenue is deferred until customer acceptance occurs or the acceptance provisions lapse, unless we can objectively and reliably demonstrate that the criteria specified in the acceptance provisions are satisfied. When appropriate, we provide for a warranty reserve at the time the product revenue is recognized. If a contract involves the provision of multiple elements and the elements qualify for separation, total estimated contract revenue is allocated to each element based on the relative selling price of each element provided. The amount of revenue allocated to each element is limited to the amount that is not contingent upon the delivery of another element in the future. Revenue is recognized on each element as described above.

Cost of product revenue includes material, labor and overhead.

Deferred revenue consists of payments received from customers in advance of services performed, product shipped or installation completed. When an item is deferred for revenue recognition purposes, the deferred revenue is recorded as a liability and the deferred costs are recorded as a component of inventory in our consolidated balance sheets. Deferred revenue also consists of cash received for extended product warranties.

Contract Losses

When the current estimates of total contract revenue for a customer order indicates a loss, a provision for the entire loss on the contract is recorded. At June 30, 2012 and December 31, 2011, there were no amounts accrued related to contract losses. The excess costs over projected revenues are recorded as a component of both cost of sales and research and development expense.

Accounts Receivable

Accounts receivable are reduced by an allowance for amounts that may become uncollectible in the future. The estimated allowance for uncollectible amounts is based primarily on a specific analysis of accounts in the receivable portfolio and historical write-off experience. While management believes the allowance to be adequate, if the financial condition of our customers were to deteriorate, resulting in impairment of their ability to make payments, additional allowances may be required.

Inventory

We value our inventory at the lower of actual cost to purchase and/or manufacture the inventory or the current estimated market value of the inventory, and costs are determined based on the first-in, first-out method of accounting and include material, labor and manufacturing overhead costs. We periodically review inventory quantities on hand and record a provision for excess and/or obsolete inventory within cost of product revenue based primarily on our historical usage, as well as based on estimated forecast of product demand. A significant decrease in demand for our products could result in a short-term increase in the cost of inventory purchases and an increase of excess inventory quantities on hand. In addition, our industry is characterized by rapid technological change, frequent new product development, and rapid product obsolescence that could result in an increase in the amount of obsolete inventory quantities on hand. Therefore, although we make every effort to ensure the accuracy of our forecasts of future product demand, any significant unanticipated changes in demand or technological developments could have a significant impact on the value of our inventory and our reported operating results.

Warranty

We offer warranty coverage for our products for period of 5 years after shipment. We estimate the anticipated costs of repairing products under warranty based on the historical or expected cost of the repairs and expected failure rates. The assumptions used to estimate warranty accruals are re-evaluated quarterly, at a minimum, in light of actual experience and, when appropriate, the accruals or the accrual percentage is adjusted based on specific estimates of project repair costs and quantity of product returns. Our determination of the appropriate level of warranty accrual is based on estimates of the percentage of units affected and the repair costs. Estimated warranty costs are recorded at the time of sale of the related product, and are recorded within cost of sales in the consolidated statements of operations.

Fair Value of Financial Instruments

Our financial instruments consist of cash equivalents, accounts receivable, unbilled contract costs and fees, warrants to purchase shares of common stock, accounts payable, note payable, subordinated convertible note and the line of credit. The estimated fair values have been determined through information obtained from market sources and management estimates. Our warrant liability and subordinated convertible notes are recorded at fair value. The carrying value of the note payable, as of June 30, 2012, is not materially different from the fair value of the note. The estimated fair values of the remaining financial instruments approximate their carrying values at June 30, 2012 and December 31, 2011. The amounts outstanding under our line of credit and note payable are not measured at fair value in our accompanying consolidated balance sheets. We determine the fair value of the amount outstanding under our line of credit and notes payable using a discounted cash flow approach based on current market interest rates for debt issues with similar remaining years to maturity. Our line of credit and note payable are valued using level 2 inputs. There were no assets measured at fair value on a recurring basis as of June 30, 2012.

Warrant Liabilities

We determined the fair values of the investor warrants and placement agent warrants using valuation models we consider to be appropriate. Our stock price has the most significant influence on the fair value of the warrants. An increase in our common stock price would cause the fair values of warrants to increase, because the exercise prices of such instruments are fixed at $14.52 per share, and result in a charge to our statement of operations. A decrease in our stock price would likewise cause the fair value of the warrants to decrease and result in a credit to our statement of operations.

Income Taxes

The preparation of our consolidated financial statements requires us to estimate our income taxes in each of the jurisdictions in which we operate, including those outside the United States, which may be subject to certain risks that ordinarily would not be expected in the United States. The income tax accounting process involves estimating our actual current exposure together with assessing temporary differences resulting from differing treatment of items, such as deferred revenue, for tax and accounting purposes. These differences result in the recognition of deferred tax assets and liabilities. We must then record a valuation allowance to reduce our deferred tax assets to the amount that is more likely than not to be realized.

Significant management judgment is required in determining our provision for income taxes, our deferred tax assets and liabilities and any valuation allowance recorded against deferred tax assets. We have recorded a full valuation allowance against our deferred tax assets of approximately $86.4 million as of December 31, 2011, due to uncertainties related to our ability to utilize these assets. The valuation allowance is based on our estimates of taxable income by jurisdiction in which we operate and the period over which our deferred tax assets will be recoverable. In the event that actual results differ from these estimates or we adjust these

estimates in future periods we may need to adjust our valuation allowance which could materially impact our financial position and results of operations.

We account for income taxes utilizing the asset and liability method for accounting and reporting for income taxes. Under this method, deferred tax assets and deferred tax liabilities are recognized based on temporary differences between the financial reporting and income tax basis of assets and liabilities using statutory rates. In addition, we are required to establish a valuation allowance against net deferred tax assets if, based upon the available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized.

The tax years 1996 through 2011 remain open to examination by major taxing jurisdictions to which we are subject, which are primarily in the United States, as carry forward attributes generated in years past may still be adjusted upon examination by the Internal Revenue Service or state tax authorities if they are or will be used in a future period. We are currently not under examination by the Internal Revenue Service or any other jurisdiction for any tax years. We did not recognize any interest and penalties associated with unrecognized tax benefits in the accompanying financial statements. We would record any such interest and penalties as a component of interest expense. We do not expect any material changes to the unrecognized benefits within 12 months of the reporting date.

Subordinated Convertible Note

The subordinated convertible notes include features that qualify as embedded derivatives, such as (i) the holder's right to convert, (ii) our option to force conversion into shares of common stock of the Company, and (iii) the holder's prepayment options. We have elected to measure the subordinated convertible notes and the embedded derivatives in their entirety at fair value with changes in fair value recognized as either a gain or loss recorded in the statement of operations. This election was made by us after concluding that several of the derivatives cannot be reliably measured nor reliably associated with another derivative that can be reliably measured and determining that the aggregate fair value of the notes to be more meaningful in the context of our financial statements than if separate fair values were assigned to each of the multiple embedded instruments contained such notes.

Recent Accounting Pronouncements

See Note Q of our Notes to Consolidated Financial Statements for information regarding recently issued accounting pronouncements.

Results of Operations

Three Months Ended June 30, 2012 ("2012") Compared to Three Months Ended June 30, 2011 ("2011")

Revenue. Total revenue for the 2012 decreased approximately $19.5 million, or 43%, from $45.5 million in 2011 to $26.0 million in 2012.

                                Three Months Ended
                              June 30,      June 30,
(Amounts in Millions)           2012          2011      Change $   % Change
Product Revenue
Renewable Energy Solutions   $     23.7    $     45.5      (21.8 )    (47.9 )%
Total Revenue                $     23.7    $     45.5      (21.8 )    (47.9 )%

Renewable Energy Solutions revenue decreased by approximately $21.8million, or 47.9%, from approximately $45.5 million in 2011 to approximately $23.7 million in the 2012. The decrease in product revenue is a due to a reduction in sales in Europe as a result of the continued deterioration in the European market, offset in part by increases in product revenue in the China market.

Gross Margin. Gross margin increased from 8% in 2011 to 19.9% in 2012. The increase in gross margin was primarily due to continued material cost reduction programs and the successful shutdown of our manufacturing facility in Canada. The increase in gross margins was offset by slight reduction in market pricing, and lower overall revenue as compared to 2011. In addition, during the quarter ended June 30, 2012, we sold approximately $2.0 million of products to our customers for which the cost of these products had been either fully or partially reserved for in 2011. As a result, had our product costs not been partially or fully reserved for our gross margin would have been approximately 12.7% for the three month period ended June 30, 2012.

Research and development expenses. We expended approximately $2.6 million on research and development in 2012 compared with $9.7 million spent in 2011. The decrease in spending during 2012 was driven by a planned decrease in costs associated with the reductions in workforce taken in 2011 and 2012. We also saw a reduction in product development and certification costs comparatively, as in the first and second quarters of 2011 we ramped up for certification of new products and continued new product development for new products, features and customer solutions.

Selling, general and administrative expenses. Selling, general and administrative expenses decreased by approximately $4.9 million, or 37.8% from $12.9 million in 2011 to $8.0 million in 2012. Approximately $1.1 million of the decrease is directly attributable to a reduction in compensation and travel costs related to the European sales office. In connection with the restructuring efforts that began in 2011, compensation costs associated with our North American sales group were reduced by $0.9 million and as a result of our efforts to keep costs in line with business needs, marketing and trade shows spending decreased quarter over quarter by approximately $0.3 million and travel spending decreased approximately $0.5 million. The decrease is also attributable to improved collection efforts resulted in a lower provision for bad debt of $0.4 million and vesting of employee stock options which resulted in lower stock-based compensation of $0.5 million.

Restructuring costs. During the quarter ending June 30, 2012, we reviewed the current business model and as a result reduced our workforce by thirteen employees and recorded restructuring expense of approximately $582,000 related to compensation expenses and the facilities closure in Canada. In 2011, we eliminated certain positions across the organization in accordance with a plan of reorganization approved by the senior management. As a result we recorded approximately $1.1 million in payroll and related costs for 2011. As of June 30, 2012, approximately $0.9 million of the 2012 restructuring remains outstanding to be paid. None of the terminated employees were required to provide services subsequent to their receiving notification of termination.

Change in fair value of convertible note and warrants. The change in fair value of the convertible note and warrants for 2012 was a credit of approximately $1.7 million. This credit related to the change in valuation of our Warrant As and Warrant Cs in 2012 and approximately $1.6 million related to the change in fair value of our Convertible Note. The change in fair value of the warrants for 2011 was a credit of approximately $1.0 million consisting primarily of a credit related to the change in valuation of convertible notes and our Warrant As, Warrant Cs and placement agent warrants of $1.4 million and a charge of $0.4 million related to our convertible note.

Loss on extinguishment of debt. Loss on extinguishment of debt was approximately $1.1 million. The loss was the result of a modification to the terms of the Subordinated Convertible Notes on April 20, 2012. (see Note I-Commitments and Contingencies).

Other income (expense). Other income was approximately $0.2 million for 2012 compared to other expense of approximately $0.3 million for 2011. Other income for 2012 consists primarily of approximately $0.2 of foreign currency translation losses and other fees relating to fees for past due payments from customers. Other expense for 2011 consists primarily of $0.2 million of foreign currency translation losses, as well as other expenses not related to ongoing operations offset by other income not related to operations.

Interest expense. Interest expense decreased in 2012 to $0.6 million as compared to $2.0 million for 2011. Interest expense for 2012 includes approximately $0.2 million related to our subordinated debt, approximately $0.1 million related to our Convertible Note and approximately $0.3 million related to our line of credit. Interest expense for 2011 includes approximately $1.1 million in transaction costs related to our Convertible Note, $0.5 million related to our subordinated debt and $0.4 million related to our line of credit.

Deferred Revenue. Deferred revenue was approximately $35.7 million at June 30, 2012 as compared to $31.5 million at December 31, 2011, an increase of approximately $4.2 million. We record deferred revenue (i) when a customer is invoiced or pays in advance or (ii) when provisions for revenue recognition on items shipped have not been achieved or the items have not yet been received by the customer due to shipping terms such as FOB destination. When an item is deferred for revenue recognition purposes, the deferred revenue is recorded as a liability and the deferred costs are recorded as a component of inventory in our consolidated balance sheets. Deferred revenue also consists of cash received for extended product warranties. Currently deferred revenue is composed of approximately $5.4 million related to pre-payments on orders currently being manufactured and $30.4 million on deferred revenue related to extended warranties sold to customers that purchased our products.

Six Months Ended June 30, 2012 ("2012") Compared to Six Months Ended June 30, 2011 ("2011")

Revenue. Total revenue for 2012 was $48.0 million, a decrease of approximately $59.5 million, or 55.3%, from $107.5 million in 2011.

                                Six Months Ended
                             June 30,      June 30,
(Amounts in Millions)          2012          2011       $ Change    % Change
Product Revenue
Renewable Energy Solutions   $    48.0    $    107.5   $    (59.5 )    (55.3 )%
Total Product Revenue        $    48.0    $    107.5   $    (59.5 )    (55.3 )%

Renewable Energy Solutions revenue decreased by approximately $59.5 million, or 55.3%, from approximately $107.5 million in 2011 to approximately $48.0 million in 2012. The decrease in product revenue is a due to a reduction in sales in North America of approximately $42.0.0 million, approximately $9.0 million in China, and to a lesser extent, $4.9 million in Europe as a result of the continued deterioration in the European market.

Gross Margin. Gross margin declined from 17.2% in 2011 to 10.2% in 2012. The decline in gross margin is directly attributable to the lower revenue for the period, offset by cost saving initiatives in the component cost of our products and the closure of our manufacturing facility in Canada. In addition, during the six months ended June 30, 2012, we sold approximately $2.8 million of products to our customers for which the cost of these products had been either fully or partially reserved for in 2011. As a result, had our product costs not been partially or fully reserved for our gross margin would have been approximately 4.6% for the six month period ended June 30, 2012.

Research and development expenses. We expended approximately $5.8 million on research and development in 2012 compared with $15.9 million spent in 2011. The decrease in spending during 2012 was largely attributable to lower spending on product certifications and reductions in staffing levels as compared to that of 2011.

Selling, general and administrative expenses. Selling, general and administrative expenses decreased by approximately $5.2 million, or 22.6%, from $23.1 million in 2011 to $18.0 million in 2012. Approximately $1.7 million of the decrease is directly attributable to a reduction in compensation and travel costs related to the European sales office. In connection with the restructuring efforts that began in 2011, compensation costs associated with our North American sales group were reduced by $1.3 million and as a result of our efforts to keep costs in line with business needs, marketing and trade shows spending decreased quarter over quarter by approximately $0.4 million and travel spending . . .