Small Business Energy Conservation act of 1980 - Amends the Small Business Investment Act of 1958 to make "energy facilities" eligible for Small Business Administration (SBA) contract guarantees. Includes within such definition: (1) solar equipment; (2) photovoltaic cells and related equipment; (3) equipment designed to increase the energy efficiency of existing fossil fuel systems; (4) industrial cogeneration equipment; or (6) equipment for producing energy or fuel from wood, biological waste, grain, or other biomass sources.

States that any SBA contract guarantee shall: (1) not be terminated or otherwise revoked; (2) be conclusive evidence of compliance with such Act; and (3) be valid and incontestable in the hands of the holder.

Provides that the SBA fix a uniform fee for such guarantees (presently an annual fee). Eliminates existing "rental guarantee" and "lessee-lessor" language in escrow and default provisions.

Authorizes the SBA to invest nonappropriated revolving fund moneys in federally-guaranteed bonds or obligations. Stipulates that moneys provided as capital for the fund may not be invested.

Limits guarantee expenditures to $250,000,000 for fiscal year 1981, and $300,000,000 for fiscal year 1982.

Small Business Energy Conservation Act of 1980 - Amends the Small Business Investment Act of 1958 to make "energy facilities" eligible for Small Business Administration (SBA) contract guarantees. Includes within such definition: (1) solar equipment; (2) photovoltaic cells and related equipment; (3) equipment designed to increase the energy efficiency of existing fossil fuel systems; (4) industrial cogeneration equipment; (5) hydroelectric equipment; (6) wind or tidal conversion equipment; or (7) equipment for producing energy or fuel from wood, biological waste, grain, or other biomass sources.

States that any SBA contract guarantee shall: (1) not be terminated or otherwise revoked; (2) be conclusive evidence of compliance with such Act; and (3) be valid and incontestable in the hands of the holder.

Provides that the SBA fix a uniform fee for such guarantees (presently an annual fee). Eliminates existing "rental guarantee" and "lessee-lessor" language in escrow and default provisions.

Authorizes the SBA to invest nonappropriated revolving fund moneys in federally-guaranteed bonds or obligations. Stipulates that moneys provided as capital for the fund may not be invested.

Limits guarantee expenditures to $250,000,000 for fiscal year 1981, and $300,000,000 for fiscal year 1982.

Small Business Energy Conservation Act of 1980 - Amends the Small Business Investment Act of 1958 to make "energy facilities" eligible for Small Business Administration (SBA) contract guarantees. Includes within such definition: (1) solar equipment; (2) photovoltaic cells and related equipment; (3) equipment designed to increase the energy efficiency of existing fossil fuel systems; (4) industrial cogeneration equipment; (5) hydroelectric equipment; (6) wind or tidal conversion equipment; or (6) equipment for producing energy or fuel from wood, biological waste, grain, or other biomass sources.

Makes such contract guarantees, when properly issued, valid and incontestable in the hands of the holder. Provides that SBA guarantee fees shall not exceed one and a half percent of the total of all guaranteed payments (presently may not exceed three and a half percent per year of the minimum annual guaranteed rental). Replaces existing "rental guarantee" language in escrow and default provisions with language referring to "guaranteed payments."