Pennsylvania Code › Title 52 - PUBLIC UTILITIES › Part I - Public Utility Commission › Subpart C - Fixed Service Utilities › Chapter 75 - ALTERNATIVE ENERGY PORTFOLIO STANDARDS › Subchapter C - INTERCONNECTION STANDARDS › INTERCONNECTION PROVISIONS › Section 75.38 - Level 2 interconnection review

Current through Register Vol. 54, No. 28, July 13, 2024
(a) An EDC shall use the Level 2
						interconnection review procedure for an interconnection request that meets the
						criteria in §
												75.34(2)
						(relating to review procedures). An EDC may not impose additional requirements
						for Level 2 reviews not specifically authorized under this
						subchapter.
(b) The Level 2
						screening criteria must consist of:
(1) For
						interconnection of a proposed small generator facility to a radial distribution
						circuit, the aggregated generation on the circuit, including the proposed small
						generator facility, may not exceed 15% of the line section annual peak
						load.
(2) For interconnection of a
						proposed small generator facility to the load side of spot network protectors,
						the proposed small generator facility shall utilize an inverter-based equipment
						package. The customer interconnection equipment proposed for the small
						generator facility must be certified and, when aggregated with other
						generation, may not exceed 5% of a spot network's maximum load.
(3) The proposed small generator facility, in
						aggregation with other generation on the distribution circuit, may not
						contribute more than 10 % to the distribution circuit's maximum fault current
						at the point on the primary voltage distribution line nearest the point of
						common coupling.
(4) The proposed
						small generator facility, in aggregate with other generation on the
						distribution circuit, may not cause any distribution protective devices and
						equipment (including substation breakers, fuse cutouts, and line reclosers), or
						other customer equipment on the electric distribution system to be exposed to
						fault currents exceeding 85% of the short circuit interrupting capability. The
						interconnection request may not request interconnection on a circuit that
						already exceeds 85% of the short circuit interrupting capability.
(5) The proposed small generator facility's
						point of interconnection may not be on a transmission line.
(6) When a customer-generator facility is to
						be connected to 3 phase, 3 wire primary EDC distribution lines, a 3 phase or
						single-phase generator shall be connected phase-to-phase.
(7) When a customer-generator facility is to
						be connected to 3 phase, 4 wire primary EDC distribution lines, a 3 phase or
						single phase generator will be connected line-to-neutral and will be
						effectively grounded.
(8) This
						Level 2 screen includes a review of the type of electrical service provided to
						the interconnection customer, including line configuration and the transformer
						connection to limit the potential for creating over voltages on the EDC's
						electric distribution system due to a loss of ground during the operating time
						of any anti-islanding function.
(9)
						When the proposed small generator facility is to be interconnected on
						single-phase shared secondary line, the aggregate generation capacity on the
						shared secondary line, including the proposed small generator facility, will
						not exceed 20 kW.
(10) When a
						proposed small generator facility is single-phase and is to be interconnected
						on a center tap neutral of a 240 volt service, its addition may not create an
						imbalance between the two sides of the 240 volt service of more than 20% of the
						nameplate rating of the service transformer.
(11) A small generator facility, in aggregate
						with other generation interconnected to the distribution side of a substation
						transformer feeding the circuit where the small generator facility proposes to
						interconnect, may not exceed 2 MW in an area where there are known or posted
						transient stability limitations to generating units located in the general
						electrical vicinity (for example, three or four distribution busses from the
						point of interconnection).
(12)
						Except as permitted by an additional review under the standard small generator
						interconnection agreement, no construction of facilities by an EDC on its own
						system will be required to accommodate the small generator facility.