SF 102 — Wyoming energy transmission study.

SORIGINAL TATE OF W YOMING 26LSO-0322 SENATE FILE NO.

SF0102 WyomingENROLLED energyACT transmissionNO. study.

Sponsored50, by:SENATE SIXTY-EIGHTH LEGISLATURE OF THE STATE OF WYOMING BUDGET SESSION AN ACT relating to the Wyoming energy authority;

Senator(s)requiring Boner,the Dockstadercompletion andof Steinmetza andtransmission Representative(s)study; Haroldson, Singh, Webb and Yin A BILL for AN ACT relating to public utilities;

requiring the completion of a transmission planning study;

6 Be It Enacted by the Legislature of the State of Wyoming:

8 Section 1.

SF0102 STATE OF WYOMING 26LSO-0322 2 (ii) Phase one (1) of the study shall, at a minimum, be an analysis of the impacts of three (3) potential load growth scenarios on Wyoming's current transmission system and shall include all of the following:

7 (A) A model of Wyoming's transmission needs with aan power flow assessment of the three (3) potential load growth scenarios identified in subparagraph (C) of this paragraph to identify potential deliverability and congestion constraints;

(C)ORIGINAL TheSENATE considerationFILE ofNO. three (3) load growth scenarios in completing this phase of the study, which are:

SF0102 ENROLLED ACT NO.

50, SENATE SIXTY-EIGHTH LEGISLATURE OF THE STATE OF WYOMING BUDGET SESSION (C) The consideration of three (3) load growth scenarios in completing this phase of the study, which are:

SF0102 STATE OF WYOMING 26LSO-0322 2 (II) Moderate growth;

4 (III) High demand.

6 (D) A gap analysis identifying transmission needs to meet various load growth scenarios, including those identified in subparagraph (C) of this paragraph,paragraph. and recommendations for transmission solutions to meet the identified needs.

(iii) Phase two (2) of the study shallshall, exploreat integrationa minimum, develop a qualitative summary and narrative of theWyoming's transmissionpublic systemutilities' inparticipation, Wyomingif intoany, in regional systemstransmission organizations, independent system operators and shallreal-time includeand allextended ofday theahead following:markets.

(A)(b) AThe studyWyoming ofenergy theauthority implicationsshall ofreport Wyoming'sto transmissionthe systemjoint beingcorporations, integratedelection intoand competingpolitical day-aheadsubdivisions interim committee and real-timethe marketsjoint minerals, business and aeconomic regionaldevelopment transmissioninterim organization;committee:

(B)(i) AnNot economiclater analysisthan ofNovember benefits1, associated2027 withon the threeresults (3)of loadphase growthone scenarios(1) identified in subparagraph (a)(ii)(C) of thisthe section;study;

SF0102(ii) STATENot OFlater WYOMINGthan 26LSO-0322September 21, (C)2028 Identificationon ofthe additionalresults transmissionof systemphase upgradestwo to(2) enhanceof regionalthe integration.study.

6(c) (b) The Wyoming energy authority shall reportestablish toan theadvisory jointworking corporations,group electionto andprovide politicalinput subdivisionson interimthe committeemethodology, assumptions and findings of the jointstudy minerals,required businessunder andthis economicORIGINAL developmentSENATE interimFILE committee:NO.

(i)SF0102 NotENROLLED laterACT thanNO. November 1, 2027 on the results of phase one (1) of the study required in subsection (a) of this section and any recommendations for legislation in response to the study;

(ii)50, NotSENATE laterSIXTY-EIGHTH thanLEGISLATURE SeptemberOF 1,THE 2028STATE onOF theWYOMING resultsBUDGET ofSESSION phasesection. two (2) of the study required in subsection (a) of this section and any recommendations for legislation in response to the study.

4The SF0102advisory STATEworking OFgroup WYOMINGshall, 26LSO-0322at Sectiona 2.minimum, include representatives of:

(i) Rural electric cooperatives serving Wyoming;

(ii) Investor-owned electric utilities serving Wyoming;

(iii) Municipal electric utilities serving Wyoming;

(iv) The Wyoming public service commission;

(v) The office of consumer advocate.

(d) The advisory working group established under subsection (c) of this section shall be consulted throughout both phases of the study, including during the development of study methodology and scenario assumptions, review of preliminary findings and formulation of recommendations.

ORIGINAL SENATE FILE NO.

SF0102 ENROLLED ACT NO.

50, SENATE SIXTY-EIGHTH LEGISLATURE OF THE STATE OF WYOMING BUDGET SESSION Section 2.

(END) SF0102Speaker of the House President of the Senate Governor TIME APPROVED:

_________ DATE APPROVED:

_________ I hereby certify that this act originated in the Senate.

Chief Clerk 4