CAPITALIZATION	9 Months Ended
Sep. 30, 2013
CAPITALIZATION [Abstract]
CAPITALIZATION	(B) CAPITALIZATION Common Stock UIL Holdings had 50,712,507 shares of its common stock, no par value, outstanding at September 30, 2013. On October 2, 2013, UIL Holdings issued 5,750,000 shares of its common stock at $37.25 per share in an underwritten public offering. This issuance included 750,000 shares issued upon the exercise by the underwriters of their over-allotment option. Net proceeds of the offering, including the over-allotment option, were approximately $206.4 million, after expenses and underwriting discounts, and were accounted for as an addition to common stock on UIL Holdings’ Consolidated Balance Sheet. The Company plans to use the net proceeds from this issuance to repay short-term debt and for general corporate purposes. Long‑Term Debt On October 25, 2013, UI entered into a note purchase agreement with a group of institutional accredited investors providing for the sale to such investors on October 25, 2013 of senior unsecured 3.95% notes in the principal amount of $75 million, due on October 25, 2023. UI used the net proceeds from this long-term debt issuance to repay short-term debt. On October 25, 2013, CNG entered into a note purchase agreement with a group of qualified institutional buyers providing for the sale to such buyers on October 25, 2013 of senior unsecured 4.30% notes in the principal amount of $25 million, due on October 25, 2028 and 5.23% notes in the principal amount of $20 million, due on October 25, 2043. CNG used $20 million of the net proceeds of this long-term debt issuance to replenish cash that had been used to repay $20 million of debt that matured in September 2013 and expects to use $20 million of the proceeds to repay $20 million of 6.50% Medium Term Notes, Series D, due December 15, 2013. CNG expects to use the remainder of the proceeds for capital expenditures and general corporate purposes. On October 25, 2013, Berkshire entered into a note purchase agreement with a group of institutional accredited investors providing for the sale to such investors on December 10, 2013 of senior unsecured 5.33% notes in the principal amount of $15 million, due on December 10, 2043. Berkshire expects to use the net proceeds of this long‑term debt issuance for capital expenditures, repayment of short-term debt, general working capital, environmental expenditures and issuance fees and expenses.

(B) CAPITALIZATION

Common Stock

UIL Holdings had 50,712,507 shares of its common stock, no par value, outstanding at September 30, 2013.

On October 2, 2013, UIL Holdings issued 5,750,000 shares of its common stock at $37.25 per share in an underwritten public offering. This issuance included 750,000 shares issued upon the exercise by the underwriters of their over-allotment option. Net proceeds of the offering, including the over-allotment option, were approximately $206.4 million, after expenses and underwriting discounts, and were accounted for as an addition to common stock on UIL Holdings’ Consolidated Balance Sheet. The Company plans to use the net proceeds from this issuance to repay short-term debt and for general corporate purposes.

Long‑Term Debt

On October 25, 2013, UI entered into a note purchase agreement with a group of institutional accredited investors providing for the sale to such investors on October 25, 2013 of senior unsecured 3.95% notes in the principal amount of $75 million, due on October 25, 2023. UI used the net proceeds from this long-term debt issuance to repay short-term debt.

On October 25, 2013, CNG entered into a note purchase agreement with a group of qualified institutional buyers providing for the sale to such buyers on October 25, 2013 of senior unsecured 4.30% notes in the principal amount of $25 million, due on October 25, 2028 and 5.23% notes in the principal amount of $20 million, due on October 25, 2043. CNG used $20 million of the net proceeds of this long-term debt issuance to replenish cash that had been used to repay $20 million of debt that matured in September 2013 and expects to use $20 million of the proceeds to repay $20 million of 6.50% Medium Term Notes, Series D, due December 15, 2013. CNG expects to use the remainder of the proceeds for capital expenditures and general corporate purposes.

On October 25, 2013, Berkshire entered into a note purchase agreement with a group of institutional accredited investors providing for the sale to such investors on December 10, 2013 of senior unsecured 5.33% notes in the principal amount of $15 million, due on December 10, 2043. Berkshire expects to use the net proceeds of this long‑term debt issuance for capital expenditures, repayment of short-term debt, general working capital, environmental expenditures and issuance fees and expenses.