Attached files
| file | filename |
|---|---|
| 10-Q - FORM 10-Q - TUCSON ELECTRIC POWER CO | c00007e10vq.htm |
| EX-31.D - EXHIBIT 31(D) - TUCSON ELECTRIC POWER CO | c00007exv31wd.htm |
| EX-32 - EXHIBIT 32 - TUCSON ELECTRIC POWER CO | c00007exv32.htm |
| EX-12.B - EXHIBIT 12(B) - TUCSON ELECTRIC POWER CO | c00007exv12wb.htm |
| EX-31.C - EXHIBIT 31(C) - TUCSON ELECTRIC POWER CO | c00007exv31wc.htm |
| EX-31.A - EXHIBIT 31(A) - TUCSON ELECTRIC POWER CO | c00007exv31wa.htm |
| EX-31.B - EXHIBIT 31(B) - TUCSON ELECTRIC POWER CO | c00007exv31wb.htm |
| EX-12.A - EXHIBIT 12(A) - TUCSON ELECTRIC POWER CO | c00007exv12wa.htm |
Exhibit 15
May 3, 2010
Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549
Commissioners:
We are aware that our report dated May 3, 2010 on our review of condensed consolidated interim financial information of UniSource Energy Corporation (the “Company”) for the three month periods ended March 31, 2010 and 2009 and included in the Company’s quarterly report on Form 10-Q for the quarter ended March 31, 2010 is incorporated by reference in the Company’s Registration Statements on Form S-8 (Nos. 333-43765, 333-43767, 333-43769, 333-53309, 333-53333, 333-99317, 333-140353, and 333-156491) and on Form S-3 (Nos. 333-103392, 333-126141, and 333-159244).
Very truly yours,
/s/PricewaterhouseCoopersLLP
PricewaterhouseCoopers LLP