PSC 119.02(32) (32) “Point of common coupling” means the point where the electrical power system of the applicant seeking to interconnect a DG facility is electrically connected to the distribution system. The point of common coupling is equivalent, in most cases, to the service point as specified by the public utility and described in the National Electric Code and National Electrical Safety Code.

PSC 119.02 Note Note: National electric codes are adopted in Wisconsin Electrical Safety Code Volumes 1 and 2, as found in ch. PSC 114 and ch. SPS 316.

PSC 119.02(32m) (32m) “Power factor” means the ratio of active power to apparent power.

PSC 119.02(33) (33) “Public utility” has the meaning given in s. 196.01 (5), Stats.

PSC 119.02(34) (34) “Standard application form” means PSC Form 6031. The standard application form has supplements designed to collect information specific to different installations and technologies.

PSC 119.02(35) (35) “Standard interconnection agreement” means PSC Form 6029 for Category 1 facilities or PSC Form 6030 for Category 2 to 4 DG facilities.

PSC 119.02 Note Note: A copy of PSC Forms 6029 to 6033 can be obtained can be obtained at no charge from the local electric utility or from the Public Service Commission, PO Box 7854, Madison, WI 53707-7854.

PSC 119.02(35g) (35g) “Standard pre-application request form” means PSC Form 6032.

PSC 119.02(35r) (35r) “Standard pre-application report” means the information provided on PSC form 6033 in response to completed requests submitted through PSC Form 6032.

PSC 119.02(36) (36) “Telemetry” means transmission of DG operating data and settings using telecommunications techniques. It may also include controls and two-way communication.

PSC 119.02(37) (37) “UL” means Underwriters Laboratory.

PSC 119.02(38) (38) “Working day” has the meaning given in s. 227.01 (14), Stats.

PSC 119.02 History History: CR 03-003: cr. Register January 2004 No. 577, eff. 2-1-04; CR 22-077: am. (4) to (7), cr. (16d) to (16t), (17m), am. (25), (27), cr. (27m), am. (32), cr. (32m), am. (34), cr. (35g), (35r), am. (36) Register April 2024 No. 820, eff. 5-1-24; correction in numbering of (17m) (a), (b) made under s. 13.92 (4) (b) 1., Stats., Register April 2024 No. 820.

PSC 119.025 PSC 119.025 Adoption of standards by reference.

PSC 119.025(1) (1) Adoption of standards. The standards, IEEE Std 1547-2018: IEEE Standard for Interconnection and Interoperability of Distributed Energy Resources with Associated Electric Power Systems Interfaces, published April 6, 2018, and IEEE Std 1547.1-2020: IEEE Standard Conformance Test Procedures for Equipment Interconnecting Distributed Energy Resources with Electric Power Systems and Associated Interfaces, are hereby incorporated by reference into this chapter.

PSC 119.025(2) (2) Consent to incorporate by reference. Pursuant to s. 227.21, Stats., the attorney general has consented to incorporate by references these standards contained in Std 1547-2018 and IEEE Std 1547.1-2020. Copies of IEEE Std 1547-2018 and IEEE Std 1547.1-2020 are on file in the offices of commission and the legislative reference bureau.

PSC 119.025 History History: CR 22-077: cr. Register April 2024 No. 820, eff. 5-1-24; correction in (1) made under s. 35.17, Stats., Register April 2024 No. 820.

subch. II of ch. PSC 119 Subchapter II — General Requirements

PSC 119.03 PSC 119.03 Designated point of contact. Each public utility shall designate one point of contact for all customer inquiries related to DG facilities and from which interested parties can obtain installation guidelines and the appropriate standard commission application and interconnection agreement forms. Each public utility shall have current information concerning its DG point of contact on file with the commission.

PSC 119.03 History History: CR 03-003: cr. Register January 2004 No. 577, eff. 2-1-04.

PSC 119.04 PSC 119.04 Application process for interconnecting DG facilities. Public utilities and applicants shall complete the following steps regarding interconnection applications for all classes of DG facilities, in the order listed:

PSC 119.04(1) (1) The public utility shall respond to each request for DG interconnection by furnishing, within 5 working days, its guidelines and the public utility’s electric service rules, representative or sample one-line schematic diagrams, and the appropriate standard application form. Public utilities shall also make these materials accessible on their website.

PSC 119.04(2) (2) The applicant shall complete and submit the standard application form to its public utility. An application shall not be considered submitted until the applicant submits a form and pays applicable application review fees under s. PSC 119.08 (1).

PSC 119.04(2m) (2m) All submitted applications shall be reviewed for completeness in the order in which they fulfill the requirements of sub. (2), regardless of whether the project is from an outside applicant or the public utility.

PSC 119.04(3) (3) Within 10 working days of receiving a new or revised application and application fee, the public utility shall notify the applicant whether the application is complete.

PSC 119.04(3g) (3g) All complete applications shall be processed in the order in which they are deemed complete, regardless of whether the project is from an outside applicant or the public utility. Reasonable exceptions may be made to account for the location of the proposed DG facility or other technical considerations, provided there is no material adverse impact on processing of other complete applications when an exception is made. Exceptions may also be made if an applicant exceeds any timing requirements identified in s. PSC 119.06. If the public utility misses any timing requirements in s. PSC 119.06, the order in which the application is processed shall not be affected.

PSC 119.04(3r) (3r) Where multiple DG facilities are electrically interrelated, processing complete applications jointly may be appropriate to increase cost and time efficiencies. If the public utility and the applicant mutually agree, the application may be studied in a group with other applications.

PSC 119.04(4) (4) Public utilities and applicants shall complete the following steps for processing interconnection applications, in the order listed:

PSC 119.04(4)(a) (a) Within 10 working days of determining that the application is complete, the public utility shall complete its application review and notify the applicant of its findings. If the public utility determines, on the basis of the application review, that an engineering review is needed, the notification shall state a nonbinding estimate of that review. If the application review shows that an engineering review is not needed, the applicant may install the DG facility and need not complete the steps described in pars. (b) through (g).