SecProbe.io

Mail Stop 3030
December 2 2, 2016

Victor Lee
Chief Executive Officer
Ascent Solar Technologies, Inc.
12300 Grant Street
Thornton, C olorado  80241

Re: Ascent Solar Technologies, Inc.
 Form 10-K for the fiscal year ended December 31, 2015
Filed March 11, 2016
File No. 001 -32919

Dear Mr. Lee :

We have reviewed your filing an d have the following comments.  In some of our
comments, we may ask you to provide us with information so we may better understand your
disclosure.

Please respond to these comments  within ten busine ss days by providing the requested
information or advis e us as soon as possible when you will respond.  If you  do not believe our
comments apply to your facts and circumstances , please tell us why in your response.

After reviewing your response to these  comments, we may have  additional comments.

Item 1A.   Risk Factors, page 11

1. We note your disclosur e on page 35 that Victor Lee, your Chief Executive Officer and
Director, is also the managing director of Tertius Financial Group Pte Ltd, a boutique
corporate advisory and private investment firm he founded in February  2009.   We also
note that according t o your disclosure, Mr. Lee is the only executive officer of the
company and is serving as both principal executive officer and as acting principal
financial officer.   In your future filings as appropriate, add risk factor disclosure
regarding any potential  conflicts of interest that may arise from the business activities of
your officer and disclose the number of hours that Mr. Lee devotes to your business.

Comparison of the Years Ended December 31, 2015 and 2014, page 28

2. We note your disclosure that yo ur revenues during 2015 increased as compared to
2014.   It does not appear, however, that you have provided any discussion and analysis
regarding the material factors driving that increase.   Similarly, in your Form  10-Q for the

Victor Lee
Ascent Solar Technologies, Inc.
December 2 2, 2016
Page 2

 quarterly period ended Septe mber 30, 2016, we note that your revenues decreased for the
three and nine months ended September 30, 2016, but that you have not quantified the
effect of each material factor that drove the decrease in your revenues.   When individual
line items disclosed in your statements of operations significantly fluctuate in comparison
to the comparable prior period, management should quantify and disclose the nature of
each item that caused the significant change.   Please revise your future filings in response
to thi s comment.   For further guidance, please refer to Item  303 and the related
instructions in Regulation S -K as well as SEC Interpretive
Release  No. 34-48960  (December 19, 2003).

Related Party Transactions, page 42

3. We note your disclosure on page 15 that “TFG Radiant may have the ability to prevent
any transaction that requires the approval of stockholders” but that as of March 9, 2016
TFG Radiant owned approximately 3% of your common stock.   In future filings, please
clarify in this section and in your ri sk factor how TFG could prevent transactions that
require stockholder approval.   File any related stockholder agreement as required by Item
601(b)(10).

Signatures, page 46

4. Please revise your future filings to indicate who has signed your Form 10 -K in the
capacity of controller or principal accounting officer.   Refer to General
Instruction  D(2)(a) to Form 10 -K.

We remind you that the company and its management are responsible for the accuracy
and adequacy of their disclosures, notwithstanding any rev iew, comments, action or absence of
action by the staff.

Please contact Heather Percival  at (202) 551 -3498  or Tim Buchmiller, Senior Attorney,  at
(202) 551 -3635  with any questions.

Sincerely,

 /s/ Tim Buchmiller for

Amanda Ravitz
Assistant Director
Office of Electronics and Machinery

cc: James Carroll
Faegre Baker Daniels LLP