Evolve Transition Infrastructure (SNMP) S-1/A IPO registration (amended)

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in this Amendment No. 3 to the Registration Statement on Form S-1 of our report dated June12, 2006 relating to the financial statements of Constellation Energy Partners LLC and our report dated June12, 2006 relating to the financial statements of Everlast Energy LLC, which appear in such Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP

Baltimore, Maryland

October 13, 2006