Pricing Supplement No. 19                       Filed under Rule 424(b)(5)
Dated: May 5, 1995                              Registration No. 33-37431
(To  Prospectus dated  December  6,  1990  as  supplemented  by  a  Prospectus
Supplement dated December 18, 1990)





                      PUBLIC SERVICE COMPANY OF COLORADO

                      SECURED MEDIUM-TERM NOTES, SERIES A
                   (being a series of First Mortgage Bonds)

Principal amount ($): $11,000,000         Form: Book-Entry X Certificated  
Original Issue Date:  May 9, 1995         Redeemable at Company Option:
Stated Maturity Date: May 11, 1998           ___ Yes    _ X_ No
Interest Rate (%):    6.80%                Initial Redemption Date:    N/A   
Issue Price (%):      100%                 Redemption Limitation Date: N/A
Commission (%):       .35                  Initial Redemption Price:   N/A
Net Proceeds ($):     $10,961,500.00       Reduction Percentage:       N/A   

     Redemption  prices (if redeemable): The redemption price (if any) for the
Notes offered hereby will initially be a percentage of the principal amount of
the Notes to be redeemed equal to the Initial Redemption Price for the twelve-
month period  commencing on the Initial Redemption  Date and shall decline for
the  twelve-month  period  commencing  on  each  anniversary  of  the  Initial
Redemption Date by a percentage of the principal amount equal to the Reduction
Percentage  until the  redemption  price is  100%  of such  principal  amount.
Notwithstanding the  foregoing, prior to  the Redemption  Limitation Date,  if
any,  such Notes cannot be redeemed  as a part of, or  in anticipation of, any
refunding  operation by  the application,  directly or  indirectly,  of moneys
borrowed  having  an effective  interest cost  to  the Company  (calculated in
accordance with generally accepted financial practice) less than the effective
interest cost to the Company (similarly calculated) of such Notes.

     Additional terms: None

     THESE  SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
AND EXCHANGE  COMMISSION OR  BY ANY  STATE SECURITIES  COMMISSION NOR  HAS THE
SECURITIES  AND EXCHANGE COMMISSION OR  ANY STATE SECURITIES COMMISSION PASSED
UPON  THE ACCURACY OR ADEQUACY OF  THIS PRICING SUPPLEMENT OR THE ACCOMPANYING
PROSPECTUS  SUPPLEMENT.   ANY  REPRESENTATION TO  THE  CONTRARY IS  A CRIMINAL
OFFENSE.


Pricing Supplement No. 20                           Filed under Rule 424(b)(5)
Dated: May 5, 1995                                  Registration No. 33-37431
(To  Prospectus dated  December  6,  1990  as  supplemented  by  a  Prospectus
Supplement dated December 18, 1990)



                      PUBLIC SERVICE COMPANY OF COLORADO

                      SECURED MEDIUM-TERM NOTES, SERIES A
                   (being a series of First Mortgage Bonds)

Principal amount ($): $11,000,000         Form: Book-Entry X Certificated  
Original Issue Date:  May 9, 1995         Redeemable at Company Option:
Stated Maturity Date: May 11, 1998          ___ Yes    _X_ No
Interest Rate (%):    6.80%                Initial Redemption Date:    N/A   
Issue Price (%):      100%                 Redemption Limitation Date: N/A
Commission (%):       .35                  Initial Redemption Price:   N/A
Net Proceeds ($):     $10,961,500.00       Reduction Percentage:       N/A   

     Redemption  prices (if redeemable): The redemption price (if any) for the
Notes offered hereby will initially be a percentage of the principal amount of
the Notes to be redeemed equal to the Initial Redemption Price for the twelve-
month period commencing on the Initial  Redemption Date and shall decline  for
the  twelve-month  period  commencing  on  each  anniversary  of  the  Initial
Redemption Date by a percentage of the principal amount equal to the Reduction
Percentage  until the  redemption  price is  100%  of such  principal  amount.
Notwithstanding the  foregoing, prior  to the  Redemption Limitation Date,  if
any, such Notes cannot be  redeemed as a part  of, or in anticipation of,  any
refunding operation  by  the application,  directly or  indirectly, of  moneys
borrowed  having  an effective  interest cost  to  the Company  (calculated in
accordance with generally accepted financial practice) less than the effective
interest cost to the Company (similarly calculated) of such Notes.

     Additional terms: None

     THESE  SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
AND EXCHANGE  COMMISSION OR BY  ANY STATE  SECURITIES COMMISSION  NOR HAS  THE
SECURITIES AND EXCHANGE COMMISSION OR  ANY STATE SECURITIES COMMISSION  PASSED
UPON THE ACCURACY OR ADEQUACY  OF THIS PRICING SUPPLEMENT OR  THE ACCOMPANYING
PROSPECTUS  SUPPLEMENT.   ANY  REPRESENTATION TO  THE  CONTRARY IS  A CRIMINAL
OFFENSE.