Exhibit 12.2

NSTAR Electric Company

Computation of Ratio of Earnings to Fixed Charges

and Preferred Stock Dividend Requirements

Twelve Months Ended March 31, 2012

(in thousands)

Net income from continuing operations (before preferred stock dividend)	$	213,541
Less: equity income from investees		261
Plus: distributed income of equity investees		676
Income taxes		139,646
Fixed charges (including securitization certificates)		77,426
Total	$	431,028
Interest expense	$	70,819
Interest component of rentals (estimated as one-third of rental expense)		6,607
Subtotal		77,426
Preferred stock dividend requirements		3,242
Total	$	80,668
Ratio of earnings to fixed charges and preferred stock dividend requirements		5.34