Texas Administrative Code
Title 16 - ECONOMIC REGULATION
Part 2 - PUBLIC UTILITY COMMISSION OF TEXAS
Chapter 25 - SUBSTANTIVE RULES APPLICABLE TO ELECTRIC SERVICE PROVIDERS
Subchapter I - TRANSMISSION AND DISTRIBUTION
Division 2 - TRANSMISSION AND DISTRIBUTION APPLICABLE TO ALL ELECTRIC UTILITIES
Section 25.213 - Metering for Distributed Renewable Generation and Certain Qualifying Facilities
Universal Citation: 16 TX Admin Code § 25.213
Current through Reg. 50, No. 13; March 28, 2025
(a) Application. This section applies to transmission and distribution utilities, excluding river authorities; an electric utility subject to Public Utility Regulatory Act (PURA) Chapter 39, Subchapter L; distributed renewable generation owners as defined in § 25.217 of this title (relating to Distributed Renewable Generation); and the entity responsible for settlement.
(b) Metering.
(1) Upon request by a customer that has, or
is in the process of installing distributed renewable generation with a
capacity of less than 50 kilowatts (kW) on the retail electric customer's side
of the meter and that desires to measure the generation's out-flow production,
an electric utility shall provide metering at the point of common coupling
using one or two meters that separately measure both the customer's electricity
consumption from the distribution network and the out-flow that is delivered
from the customer's side of the meter to the distribution network and
separately report each metered value to the transmission and distribution
utility. The two metered values shall be separately accounted for by the entity
responsible for settlement.
(2)
Upon request by a retail electric customer that has, or is in the process of
installing distributed renewable generation with a capacity equal to or greater
than 50 kW up to 2,000 kW on the retail electric customer's side of the meter,
an electric utility shall provide one or two interval data recorders at the
point of common coupling that separately measure both the customer's
electricity consumption from the distribution network and the out-flow that is
delivered from the retail electric customer's side of the meter to the
distribution network and separately report each metered value to the
transmission and distribution utility. The two metered values shall be
separately accounted for by the entity responsible for settlement.
(3) Upon request by a retail electric
customer that has, or is in the process of installing distributed renewable
generation with a capacity of less than 50 kW on the retail electric customer's
side of the meter and that does not desire to measure the generation's out-flow
production, an electric utility shall provide metering in accordance with
paragraph (1) of this subsection or, at the electric utility's option, install
a meter that measures the customer's electricity consumption from the
distribution network but does not measure the out-flow that is delivered from
the retail electric customer's side of the meter to the distribution network.
Unless an existing distributed renewable generation owner requests to have the
existing meter replaced, the electric utility may, at its option and expense,
replace an existing distributed renewable generation owner's meter with a meter
of a type specified in this rule.
(4) Pursuant to the applicable schedule in
its tariff, an electric utility shall charge for the customer's electricity
consumption from the distribution network as measured by the metering installed
pursuant to paragraph (1), (2) or (3) of this subsection.
(5) An electric utility shall not provide
metering for purposes of PURA §39.914(d) and PURA §39.916(f), that is
inconsistent with paragraph (1), (2) or (3) of this subsection, unless ordered
by the commission.
(6) The
distributed renewable generation owner shall pay any significant differential
cost of the metering.
(7) Electric
utilities shall file tariffs for metering under this section within 60 days of
its effective date.
(8) Distributed
renewable generation owners may begin selling out-flow at any time. Electric
utilities are required to comply with paragraphs (1), (2) and (3) of this
subsection, as they relate to reporting the two metered values. The entity
responsible for settlement is required to accept the meter data provided
pursuant to paragraph (1), (2) or (3) of this subsection.
(9) The entity responsible for settlement
shall have a process for settlement of electricity consumption and out-flow
that reflects time of generation.
(c) Metering Provisions Specific to an Electric Utility Subject to PURA Chapter 39, Subchapter L.
(1) This subsection applies to an electric
utility subject to PURA Chapter 39, Subchapter L.
(2) An electric utility shall provide the
additional option of interconnection through a single meter that runs forward
and backward for a customer that is either:
(A) an apartment house occupied by low-income
elderly tenants that qualifies for master metering under Texas Utilities Code
§
184.012(b)
and the distributed renewable generation is reasonably expected to generate not
less than 50 percent of the apartment house's annual electricity use;
or
(B) has a qualifying facility
with a design capacity of 50 kW or less and that uses a renewable energy
resource.
(3) The net
metering option provided by paragraph (2) of this subsection is available only
if the distributed renewable generation or qualifying facility is rated to
produce an amount of electricity that is less than or equal to:
(A) the customer's estimated annual
kilowatt-hour consumption for a new apartment house or qualifying facility;
or
(B) the amount of electricity
the customer consumed in the year before installation of the distributed
renewable generation or qualifying facility.
(4) Measured net consumption shall be billed
under the electric utility's standard tariff schedule applicable to the
customer. Measured net production shall be purchased in accordance with §
25.217 of this title.
(5) The electric utility shall credit the
payments to the customer's monthly electric service bill, and specify in the
bill the amount of non-firm energy purchased in kilowatt hours. If the payment
for non-firm energy supplied to the electric utility exceeds the total of the
owner's monthly electric service bill, a credit balance of not more than $50
shall be carried forward to the owner's next monthly bill. The electric utility
shall refund to the customer a credit balance that is not carried forward, or
the portion of a credit balance that exceeds $50, if the credit balance is
carried forward.
(6) An electric
utility shall install, maintain, and retain ownership of the meter(s) and
metering equipment installed for purposes of this subsection and may install
load research metering equipment on the premises of the owner, at no expense to
the owner.
(7) At the request of an
electric utility, the customer shall:
(A)
provide and install a meter socket, a metering cabinet, or both a socket and
cabinet at a location designated by the electric utility on the premises of the
owner; and
(B) provide, at no
expense to the electric utility, a suitable location for the electric utility
to install meters and equipment associated with billing and load
research.
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