Renewable Integration Impact Assessment (RIIA)

Navigate to the RIIA page on the MISO website:
MISO Homepage > Planning > Policy Studies > Renewable Integration Impact Assessment

RIIA One Pager

  • Overview of the need for the RIIA and what the analysis looks at
  • Brief description of the Five Risks determined by the RIIA
RIIA Summary Report
  • Details on the need for RIIA and risks determined
  • Applying identified risks to key focus areas: Resource Adequacy, Energy Adequacy, and Operating Reliability
  • Identifying key threats to specific focus areas
  • Summary of Technical Assumptions used in the study

Multi-Value Projects

Navigate to the Multi-Value Projects (MVPs) page on the MISO website which defines MVP transmission projects and provides an overview of the annual review process:
MISO Homepage > Planning > MTEP > Multi-Value Projects (MVPs)

BPM-020 Transmission Planning > Multi-Value Projects (Section 7.5)
Download full BPM zip file here: Business Practices Manuals

  • Details the three different criteria a project can meet to be an MVP:
    • Delivers energy more reliably and/or economically than without the upgrade
    • Provides Benefit-to-Cost ratio of 1.0 or higher across multiple pricing zones
    • Addresses at least one Transmission Issue associated with a projected violation of NERC or Regional Entity reliability standard and provides economic value across multiple pricing zones
  • Details conditions all MVPs must meet
  • Details Economic Benefits considered when qualifying a project as an MVP
  • Details Facility qualifications required for Cost-Sharing
  • General overview of Cost Allocation and MVP Usage Charge


LRTP Tranche 1

Navigate to the Long-Range Transmission Planning page on the MISO website:
MISO Homepage > Planning >Transmission Planning > Long-Range Transmission Planning > Tranche 1 tab

Detailed Business Case

  • Timeline of LRTP development
  • Details on MVP criteria and how LRTP meets those
  • Identifies objective of LRTP and scope of the business case
  • Overview of the present value of LRTP portfolio
  • Details assumptions in reference and change cases for each set of benefits metrics
  • Discussions on natural gas price sensitivities considered
  • Overview of cost allocation methods
Detailed Business Case Analysis
  • Detailed business case assumptions (i.e., inflation, discount rate etc.)
  • Detailed calculations on individual benefits, NPV of benefits and cost allocation (CAZ)
  • Benefits detailed include congestions and fuel savings, avoided capital cost of local resource investment, avoided transmission investment, resource adequacy savings, avoided risk of load loss, decarbonization

Navigate to the Previous MTEP Reports page on the MISO website to view the MTEP 21 LRTP Addendum for Tranche 1:
MISO Homepage > Planning > MTEP > Documents > MTEP Reports >  LRTP Tranche 1 Addendum

MTEP 21 LRTP Tranche 1 Portfolio Zip Folder
  • MTEP 21 Addendum LRTP Tranche 1 Portfolio Exec Summary and Report
    • Overview of the LRTP Process
    • Background information on Futures 1, 2, & 3
    • Details on Study Inputs and Futures Used
    • Background on individual projects and issues they address
    • Breakdown of LRTP Portfolio Benefits
  • LRTP Tranche 1 Appendix A-3 Schedule 26A Indicative
    • In-Service Date Projections by Project
    • Project Gross Cost in 2022 $
    • Indicative Annual MVP Charges by LBA
  • MTEP 21 LRTP Addendum Appendix A
    • List of Projects including geographic locations (state, TO, region), ISD Projection, description, system need, estimated cost, cost allocation, max/min voltage
    • List of individual Facilities including geographic locations (substations, state, TO, region), description, estimated cost, max/min voltage, emergency facility rating, miles upgrade/new
Comments (0)