Acquisitions	12 Months Ended
Dec. 31, 2016
Acquisitions
Acquisitions	3. Acquisitions HyPulsion On July 24, 2015, the Company entered into a Share Purchase Agreement with Axane, pursuant to which on July 31, 2015, the Company (through a wholly-owned subsidiary) acquired Axane’s 80% equity interest in HyPulsion for $11.5 million, payable in shares of its common stock. In connection with the aforementioned agreement, the Company initially issued 4,781,250 shares of its common stock at closing. On August 26, 2015, the Company subsequently issued an additional 1,613,289 shares of common stock pursuant to a post-closing true-up provision, which was liability classified contingent consideration. The Company acquired all of the net assets of HyPulsion, with the excess of the purchase price over net assets attributed to goodwill. Goodwill associated with the acquisition represents expanded access to the European markets related to the sale of fuel cell technology for material handling equipment. During the year ended December 31, 2016, changes in goodwill are attributed to foreign currency translation and, to a lesser extent, changes to estimated fair values of acquired assets and liabilities upon completion of purchase accounting. During the year ended December 31, 2015, changes in goodwill are attributed to foreign currency translation. ReliOn, Inc. On April 2, 2014, the Company completed the acquisition of ReliOn, Inc. (“ReliOn”) for an aggregate purchase price of $4.0 million. The Company acquired substantially all of the assets of ReliOn, including patents, technology and other intangible assets, equipment and other tangible assets. ReliOn is a developer of hydrogen fuel cell stack technology based in Spokane, Washington. As consideration, the Company issued 530,504 shares of common stock, and assumed certain specified liabilities of ReliOn. The total purchase price is based on the issuance of 530,504 shares of Plug Power common stock at the closing price of the Company’s stock on April 1, 2014 of $7.54. Upon closing of the acquisition, the Company reported a gain on bargain purchase of $1.0 million and it has been included within interest and other (expense) income, net on the consolidated statements of operations.

Acquisitions

12 Months Ended

Dec. 31, 2016

3. Acquisitions

HyPulsion

On July 24, 2015, the Company entered into a Share Purchase Agreement with Axane, pursuant to which on July 31, 2015, the Company (through a wholly-owned subsidiary) acquired Axane’s 80% equity interest in HyPulsion for $11.5 million, payable in shares of its common stock. In connection with the aforementioned agreement, the Company initially issued 4,781,250 shares of its common stock at closing. On August 26, 2015, the Company subsequently issued an additional 1,613,289 shares of common stock pursuant to a post-closing true-up provision, which was liability classified contingent consideration.

The Company acquired all of the net assets of HyPulsion, with the excess of the purchase price over net assets attributed to goodwill. Goodwill associated with the acquisition represents expanded access to the European markets related to the sale of fuel cell technology for material handling equipment. During the year ended December 31, 2016, changes in goodwill are attributed to foreign currency translation and, to a lesser extent, changes to estimated fair values of acquired assets and liabilities upon completion of purchase accounting. During the year ended December 31, 2015, changes in goodwill are attributed to foreign currency translation.

ReliOn, Inc.

On April 2, 2014, the Company completed the acquisition of ReliOn, Inc. (“ReliOn”) for an aggregate purchase price of $4.0 million. The Company acquired substantially all of the assets of ReliOn, including patents, technology and other intangible assets, equipment and other tangible assets. ReliOn is a developer of hydrogen fuel cell stack technology based in Spokane, Washington. As consideration, the Company issued 530,504 shares of common stock, and assumed certain specified liabilities of ReliOn. The total purchase price is based on the issuance of 530,504 shares of Plug Power common stock at the closing price of the Company’s stock on April 1, 2014 of $7.54. Upon closing of the acquisition, the Company reported a gain on bargain purchase of $1.0 million and it has been included within interest and other (expense) income, net on the consolidated statements of operations.