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CONSOLIDATED STATEMENTS OF CAPITALIZATION (Parenthetical) | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2013 6.64% notes due 2013 | Dec. 31, 2012 6.64% notes due 2013 | Dec. 31, 2013 6.64% notes due 2013 GSWC | Dec. 31, 2012 6.64% notes due 2013 GSWC | Dec. 31, 2013 6.80% notes due 2013 | Dec. 31, 2012 6.80% notes due 2013 | Dec. 31, 2013 6.80% notes due 2013 GSWC | Dec. 31, 2012 6.80% notes due 2013 GSWC | Dec. 31, 2013 6.87% notes due 2023 | Dec. 31, 2012 6.87% notes due 2023 | Dec. 31, 2013 6.87% notes due 2023 GSWC | Dec. 31, 2012 6.87% notes due 2023 GSWC | Dec. 31, 2013 7.00% notes due 2023 | Dec. 31, 2012 7.00% notes due 2023 | Dec. 31, 2013 7.00% notes due 2023 GSWC | Dec. 31, 2012 7.00% notes due 2023 GSWC | Dec. 31, 2013 6.81% notes due 2028 | Dec. 31, 2012 6.81% notes due 2028 | Dec. 31, 2013 6.81% notes due 2028 GSWC | Dec. 31, 2012 6.81% notes due 2028 GSWC | Dec. 31, 2013 6.59% notes due 2029 | Dec. 31, 2012 6.59% notes due 2029 | Dec. 31, 2013 6.59% notes due 2029 GSWC | Dec. 31, 2012 6.59% notes due 2029 GSWC | Dec. 31, 2013 7.875% notes due 2030 | Dec. 31, 2012 7.875% notes due 2030 | Dec. 31, 2013 7.875% notes due 2030 GSWC | Dec. 31, 2012 7.875% notes due 2030 GSWC | Dec. 31, 2013 7.23% notes due 2031 | Dec. 31, 2012 7.23% notes due 2031 | Dec. 31, 2013 7.23% notes due 2031 GSWC | Dec. 31, 2012 7.23% notes due 2031 GSWC | Dec. 31, 2013 6.00% notes due 2041 | Dec. 31, 2012 6.00% notes due 2041 | Dec. 31, 2013 6.00% notes due 2041 GSWC | Dec. 31, 2012 6.00% notes due 2041 GSWC | Dec. 31, 2013 5.87% private placement notes due 2028 | Dec. 31, 2012 5.87% private placement notes due 2028 | Dec. 31, 2013 5.87% private placement notes due 2028 GSWC | Dec. 31, 2012 5.87% private placement notes due 2028 GSWC | Dec. 31, 2013 6.70% private placement notes due 2019 | Dec. 31, 2012 6.70% private placement notes due 2019 | Dec. 31, 2013 6.70% private placement notes due 2019 GSWC | Dec. 31, 2012 6.70% private placement notes due 2019 GSWC | Dec. 31, 2013 5.50% tax-exempt obligation due 2026 | Dec. 31, 2012 5.50% tax-exempt obligation due 2026 | Dec. 31, 2013 5.50% tax-exempt obligation due 2026 GSWC | Dec. 31, 2012 5.50% tax-exempt obligation due 2026 GSWC
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Interest rate per annum (as a percent) |  |  | 6.64% | 6.64% | 6.64% | 6.64% | 6.80% | 6.80% | 6.80% | 6.80% | 6.87% | 6.87% | 6.87% | 6.87% | 7.00% | 7.00% | 7.00% | 7.00% | 6.81% | 6.81% | 6.81% | 6.81% | 6.59% | 6.59% | 6.59% | 6.59% | 7.875% | 7.875% | 7.875% | 7.875% | 7.23% | 7.23% | 7.23% | 7.23% | 6.00% | 6.00% | 6.00% | 6.00% | 5.87% | 5.87% | 5.87% | 5.87% | 6.70% | 6.70% | 6.70% | 6.70% | 5.50% | 5.50% | 5.50% | 5.50%
Common stock, shares authorized | 60,000,000 | 30,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares outstanding | 38,720,693 | 38,720.693 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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