2023

10-Year
Assessment

Economic Planning – 2019

ATC utilizes two methods to determine which projects have the potential for economic benefits:

  1. Stakeholder Input and Analyses
  2. Reliability Project Screening

These methods are described below.

Stakeholder Input and Analyses

In March 2008, Federal Energy Regulatory Commission (FERC) Order 890-A took effect. Order 890-A requires a coordinated, open, and transparent transmission planning process on both a local and regional level. To comply with these requirements, ATC submitted a compliance filing on Order 890-A that provides a timeline of actions to ensure that the economic planning process is both coordinated and open.  ATC has also submitted a compliance filing on Order 1000 that incorporates public policy requirement needs into its economic planning analysis.

Annually, ATC will use a process with consistent timelines that combines stakeholder input, historical data, future line flow forecasts, and updated information on the electric system to identify transmission upgrades for economic evaluation.

Each year:

  • During February, we hold an initial stakeholder meeting to review the market congestion summary and potential fixes and to discuss economic study scenarios, drivers, ranges, and assumptions.
  • By March 1, we work with stakeholders to request and prioritize new/other economic studies and recommend study assumptions.
  • By April 15 – we identify preliminary areas of economic study, study assumptions, and models and solicit further comments from stakeholders, including soliciting stakeholders for public policy requirements that drive transmission needs.
  • By May 15 – we finalize areas of economic study, study assumptions, and models to be used in analysis, including a determination as to why or why not public policy requirements were included in the assumptions.
  • By November 15 – we provide a summary of the results of the economic analyses to our stakeholders.

ATC conducts analyses of the projects identified for study over several months’ time and posts the key results, including the extent to which these savings offset project costs. When the expected benefits of a studied project are high enough to justify its costs, the process of developing it as a formal proposal is begun.

As a result of the 2021 ATC/stakeholder collaborative process, we are performing economic analyses on the following ATC facilities:

Economic Planning Study Areas
  • North Lake Geneva 138-kV Area
  • De Pere 138-kV Area

Studies are performed and results shared with stakeholders over the course of the year. In addition, customers and stakeholders who would like to request specific economic studies can do so if they are willing to pay for the studies and are willing to have the results posted publicly.

Reliability Project Screening

Economic analyses were performed on 14 projects from the 2020 10-Year Assessment project list to determine whether those projects were candidates for acceleration or deferral based on economic considerations. Please refer Table EP-1 for the list of projects screened. The list of 14 projects was based primarily on the availability of redispatch and capital costs of the projects; however, lower cost projects specifically identified by the ATC planning department were also included in the study. Generation interconnection and distribution interconnection projects were not eligible for inclusion in this list. Further, capacitor bank projects were not considered since the voltage benefits provided were not captured by the PROMOD software analysis. Finally, projects with in-service dates prior to 2024 were not considered since development of those projects was too far underway to make scheduling changes. As a result of this screening, none of the projects showed significant economic savings to ATC customers. This may change depending on assumptions or modeling of the system. Economic planning will continue to work with reliability planning, if any further analysis needs to be completed. 

A similar analysis will be performed in the 2022 10-Year Assessment based upon the 2021 Assessment project list. 

Table EP-1

Project #ProjectPlanning Zone
1North Central WI Reliability Project 1
2Harrison Tap – Iola 69-kV (Y-70), Rebuild & OPGW1
3Groenier – Rosholt (ALTE) Tap, 69-kV (Y-71), Partial Rebuild and Rerate 1
4Pine Hy Tap – Pine Hy 69-kV (ASPY31-1), Rebuild & OPGW 2
59 Mile SW STA – Pine River 69-kV (6921/23) Partial Rebuild2
6Cornell Tap – Watson Tap 69-kV (Chandler), Partial Rebuild 2
7Chandler-Delta 69-kV (Delta1 and Escanaba1), Partial Rebuild and OPGW 2
8Pine River - Mich Limestone Loading Dock 69-kV (ESE_6906), Rebuild 2
9Gran Grae SS, Install a second 161/69-kV transformer Replacement 3
10Hillman - Darlington 138kV (X-14/X-101), Rebuild 3
11South Fond du Lac - Spring Brook 69-kV (Y-133), Partial rebuild 3
12South Beaver Dam - Hubbard, (Y-134), 69-kV Rebuild & OPGW 3
13South Beaver Dam – North Beaver Dam, 69-kV (Y-59) Line Rebuild 3
14Waupun - South Fond du Lac 69-kV, (Y-25) Partial Rebuild 4
List of 10-Year Assessment 2021 Economically Screened Projects

2020 Meetings, Materials and Announcements

October 29, 2020 TYA Stakeholder Meeting

ATC is planning to host a customer/stakeholder meeting on October 29, 2020, from 9:00 a.m. to 11:30 a.m. (CST).    

Although we really like the added opportunity to interact during in-person meetings, this meeting will only be via webcast because of COVID-19.

ATC will discuss (Presentation DRAFTS linked below):

Please hold this date and time on your calendars if you plan to participate.

Webcast information will be e-mailed before the meeting once ATC completes its migration from Skype to Microsoft Teams.

As promised, DRAFT presentations were posted on 10-22-20–See links above.

As part of the 2020 10-Year Assessment, no new public policy requirements were brought to the attention of ATC. For the 2021 10-Year Assessment, ATC will review Public Policy Requirements* of which it is aware and solicit information from stakeholders including federal, state, and local regulators regarding needs driven by Public Policy Requirements and potential Transmission Facilities to address those needs. ATC requests that stakeholders provide ATC with information regarding needs driven by Public Policy Requirements or potential Transmission Facilities to address those needs.

Please reply with your participation plans by October 26 to Chris Hagman.

We look forward to your involvement in this process and appreciate your input and feedback as we wrap up the 2020 TYA and Economic Planning Analysis and kick off the 2021 TYA.

* As set forth in MISO Tariff Attachment FF-ATCLLC, “Public Policy Requirements” means “enacted statutes (i.e., passed by the legislature and signed by the executive) and regulations promulgated by a relevant jurisdiction, whether within a state or at the federal level, including duly enacted laws or regulations passed by a local governmental entity, such as a municipal or county government.”

 

 

2019 Quarter 2 TYA Combined Project List Update

Link to 2019 Quarter 2 TYA Combined Project List update.

May 12, 2020: TYA Stakeholder Meeting

ATC is planning to host a customer and stakeholder meeting on May 12, 2020, scheduled from 9:00 a.m. to 11:00 a.m. (CST), via the web.  ATC will discuss 2020 ATC Economic Planning – Study Areas & Assumptions, 2020 10-Year Assessment – Preliminary Solutions and 2020 Asset Renewal Program – Preliminary Solutions and provide more background information about generation interconnection (Generation-Transmission “G-T”) projects, as indicated in the agenda.  Although we really like the added opportunity to interact provided by in-person meetings, this meeting will only be via webcast due to the uncertainty associated with the coronavirus.

The following materials will be discussed at this meeting:

Meeting Agenda

2020 ATC Economic Planning – Study Areas & Assumptions

2020 ATC 10-Year Assessment – Preliminary Solutions

Generation Interconnection Projects (“G-T”)

2020 Asset Renewal Program – Preliminary Solutions

Please indicate your participation plans to Chris Hagman at chagman@atcllc.com by May 7, 2020, if you have not done so already.

March 10, 2020: TYA Stakeholder Meeting

ATC is planning to host a customer and stakeholder meeting on March 10, 2020, scheduled from 9:00 a.m. to 11:30 a.m. (CST), via web and teleconference. ATC will discuss the 2020 10-Year Assessment Preliminary Needs, give an update on the 2019 ATC Economic Planning Study, and kickoff the 2020 ATC Economic Planning Study, as indicated in the agenda.

The following materials will be discussed at this meeting:

Meeting Agenda

2019 ATC Economic Planning Study Update / 2020 ATC Economic Planning Study Kickoff

2020 10-Year Assessment Preliminary Needs

Updated TYA Project List

Please indicate your participation plans to Chris Hagman at chagman@atcllc.com by March 6, 2020, if you have not done so already.

2019 Meetings, Materials and Announcements

November 4, 2019 Stakeholder Meeting

ATC is planning to host a customer/stakeholder meeting on November 4, 2019, scheduled from 9:00 a.m. to 11:30 a.m. (CDT), via web and teleconference. ATC will discuss a summary of the 2019 10-Year Assessment, the 2020 10-Year Assessment Preliminary Study Design, and the 2019 ATC Economic Planning Study Results.

The following materials will be discussed at the meeting.

As part of the 2019 10-Year Assessment, no new public policy requirements were brought to the attention of ATC. For the 2020 10-Year Assessment, ATC will review Public Policy Requirements* of which it is aware and solicit information from stakeholders including federal, state, and local regulators regarding needs driven by Public Policy Requirements and potential Transmission Facilities to address those needs. ATC requests that stakeholders provide ATC with information regarding needs driven by Public Policy Requirements or potential Transmission Facilities to address those needs.

Please indicate your participation plans to Chris Hagman at chagman@atcllc.com by October 31.

Any comments or inquiries contact Chris Hagman at chagman@atcllc.com.

* As set forth in MISO Tariff Attachment FF-ATCLLC, “Public Policy Requirements” means “enacted statutes (i.e., passed by the legislature and signed by the executive) and regulations promulgated by a relevant jurisdiction, whether within a state or at the federal level, including duly enacted laws or regulations passed by a local governmental entity, such as a municipal or county government.”