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Stock Purchase Plan | 12 Months Ended
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Dec. 31, 2012
Employee Stock Purchase Plan Note [Abstract] |
Stock Purchase Plan [Text Block] | STOCK PURCHASE PLANS Employee Stock Purchase Plan PGE has an employee stock purchase plan (ESPP), under which a total of 625,000 shares of the Company’s common stock may be issued. The ESPP permits all eligible employees to purchase shares of PGE common stock through regular payroll deductions, which are limited to 10% of base pay. Each year, employees may purchase up to a maximum of $25,000 in common stock (based on fair value on the purchase date) or 1,500 shares, whichever is less. There are two six-month offering periods each year, January 1 through June 30 and July 1 through December 31, during which eligible employees may purchase shares of PGE common stock at a price equal to 95% of the fair value of the stock on the purchase date, the last day of the offering period. As of December 31, 2012, there were 478,758 shares available for future issuance pursuant to the ESPP. Dividend Reinvestment and Direct Stock Purchase Plan On April 1, 2011, PGE’s Dividend Reinvestment and Direct Stock Purchase Plan (DRIP) became effective, under which a total of 2,500,000 shares of the Company’s common stock may be issued. Under the DRIP, investors may elect to buy shares of the Company’s common stock or elect to reinvest cash dividends in additional shares of the Company’s common stock. As of December 31, 2012, there were 2,490,267 shares available for future issuance pursuant to the DRIP.

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