52 Pa. Code § 59.91
The following words and terms, when used in this section and in § § 59.72-59.75, have the following meanings, unless the text clearly indicates otherwise:
Alternate fuel-Any fuel other than natural gas.
Alternate fuel capability-The installed and operable ability to use any fuel other than natural gas on a time sensitive basis.
Commercial use-Gas usage by customers engaged primarily in the sale of goods and services including consumption by office buildings, institutions and government agencies.
Essential human needs use-Gas usage in any building where persons normally dwell including residences, apartment houses, dormitories, hotels, hospitals and nursing homes.
Firm service-Natural gas service offered to consumers under tariffs or contracts that anticipate no interruption.
Industrial use-Gas usage by customers engaged primarily in a process which creates or changes raw or unfinished materials into another form or product including the generation of electric power.
Interruptible service-Natural gas services that can be temporarily discontinued under terms and conditions specified by tariff or contract.
NGDC-Natural gas distribution company.
NGS-Natural gas supplier.
Plant protection use-Minimum usage of natural gas required to prevent physical harm to an industrial or commercial consumer's facility, or danger to personnel at the facility, when the protection cannot be afforded through the use of an alternate fuel. Plant protection use includes usage necessary for the protection of the material in process as would otherwise be destroyed, but does not include deliveries required to maintain production.
Residential use-Gas usage in a residential dwelling or unit for space heating, air conditioning, cooking, water heating or other domestic purpose.
52 Pa. Code § 59.91
The provisions of this §59.91 issued under the Public Utility Code, 66 Pa.C.S. § § 501, 504-506, 1301 and 1501.
This section cited in 52 Pa. Code § 111.6 (relating to discipline).