1 Pricing Supplement No. 10 Filing under Rule 424(b)(3) Dated February 27, 1995 Registration No. 33-51669 (To Prospectus dated January 12, 1994 as supplemented by the Prospectus Supplement dated January 19, 1994) $250,000,000 THE WASHINGTON WATER POWER COMPANY Secured Medium-Term Notes, Series B Principal amount ($): $10,000,000 Subject to General Redemption Original Issue Date: March 6, 1995 (at general redemption prices) Stated Maturity Date: March 6, 2001 Yes No (X) Interest Rate (%): 7.60 Initial Redemption Date: N/A Issue price (%): 100.00 Redemption Limitation Date: N/A Selling Agent's commission (%): .550 Initial Redemption price (%): N/A Net proceeds to Company (%): 99.450 Reduction Percentage: N/A Form: Book-Entry (X) Certificated Subject to Special Redemption (at special redemption prices) Yes No (X) Initial Redemption Price: N/A Reduction Percentage: N/A Use of Proceeds: A/S Additional terms: N/A "N/A" as used herein means "Not Applicable". "A/S" as used herein means "As stated in the Prospectus referred to above." GOLDMAN, SACHS & CO. PAINEWEBBER INC. SMITH BARNEY INC. 2 Pricing Supplement No. 11 Filing under Rule 424(b)(3) Dated February 27, 1995 Registration No. 33-51669 (To Prospectus dated January 12, 1994 as supplemented by the Prospectus Supplement dated January 19, 1994) $250,000,000 THE WASHINGTON WATER POWER COMPANY SECURED MEDIUM-TERM NOTES, SERIES B Principal amount ($): $5,000,000 Subject to General Redemption Original Issue Date: March 6, 1995 (at general redemption prices) Stated Maturity Date: March 6, 2001 Yes No (X) Interest Rate (%): 7.59 Initial Redemption Date: N/A Issue price (%): 100.00 Redemption Limitation Date: N/A Selling Agent's commission (%): .550 Initial Redemption price (%): N/A Net proceeds to Company (%): 99.450 Reduction Percentage: N/A Form: Book-Entry (X) Certificated Subject to Special Redemption (at special redemption prices) Yes No (X) Initial Redemption Price: N/A Reduction Percentage: N/A Use of Proceeds: A/S Additional terms: N/A "N/A" as used herein means "Not Applicable". "A/S" as used herein means "As stated in the Prospectus referred to above". GOLDMAN, SACHS & CO. PAINEWEBBER INC. SMITH BARNEY INC.