EXHIBIT
31.2
 
 CERTIFICATION
PURSUANT TO
 §302
OF THE SARBANES-OXLEY ACT OF 2002
 
 
 I, James Parslow, Chief Financial
Officer of World Energy Solutions, Inc. (the “Company”), certify
that:
 
 1.      I
have reviewed this annual report on Form 10-K of the Company.
 
 2.      Based on
my knowledge, this report does not contain any untrue statement of a material
fact or omit to state a material fact necessary to make the statements made, in
light of the circumstances under which such statements were made, not misleading
with respect to the period covered by this report.
 
 3.      Based on
my knowledge, the financial statements, and other financial information included
in this report, fairly present in all material respects the financial condition,
results of operations and cash flows of the Company as of, and for, the periods
presented in this report.
 
 4.      The
Company’s
other certifying officer and I are responsible for establishing and maintaining
disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e)
and 15d-15(e)) and internal control over financial reporting (as defined in
Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Company and
have:
 
 a)      Designed
such disclosure controls and procedures, or caused such disclosure controls and
procedures to be designed under our supervision, to ensure that material
information relating to the Company, including its consolidated subsidiaries, is
made known to us by others within those entities, particularly during the period
in which this report is being prepared;
 
 b)      Designed
such internal control over financial reporting, or caused such internal control
over financial reporting to be designed under our supervision, to provide
reasonable assurance regarding the reliability of financial reporting and the
preparation of financial statements for external purposes in accordance with
generally accepted accounting principles;
 
 c)      Evaluated
the effectiveness of the Company’s disclosure controls and procedures and
presented in this report our conclusions about the effectiveness of the
disclosure controls and procedures, as of the end of the period covered by this
report based on such evaluation; and
 
 d)     
Disclosed in this report any change in the Company’s internal control over
financial reporting that occurred during the Company’s most recent fiscal
quarter that has materially affected, or is reasonably likely to materially
affect, the Company’s internal control over financial reporting.
 
 5.      The
Company’s other certifying officer and I have disclosed, based on our most
recent evaluation of internal control over financial reporting, to the Company’s
auditors and the audit committee of the Company’s board of directors (or persons
performing the equivalent functions):
 
 a)      All
significant deficiencies and material weaknesses in the design or operation of
internal control over financial reporting which are reasonably likely to
adversely affect the Company’s ability to record, process, summarize and report
financial information; and
 
 b)      Any
fraud, whether or not material, that involves management or other employees who
have a significant role in the Company’s internal control over financial
reporting.
 
 Dated:                         March
      13, 2008
                  By:
                  /s/ James
      ParslowJames
      ParslowChief
      Financial Officer