Generator Interconnection Process

Generator Interconnection Process

DPP Phase 1 + DPP Phase 2 + DPP Phase 3 + GIA = ~ 373 Days

Cycle 1

90 Days

DPP Phase 1 - ~100 Days

DPP Phase 2 - ~105 Days

DPP Phase 3 - ~60 Days

GIA ? 108 Days

MISO Files GIA

Application Deadline

M1 Satisfied Pay M2

Generating Facility Site Control Evidence

Submission #1 See Note 5

IC may Withdraw prior to DPP Phase 1 Kickoff, 100% of M2 returned

Scoping Call 40

A10 Preliminary Model DPP SIS Review

5 BD

10 BD

65

Screening

Analysis

Results 15

Generating Facility

Site Control review #1

report issued 30

Pay M3

MISO must receive AFS Reports prior to SIS posting

Continue Model Review

Revised DPP SIS

See Note 1

IC Decision Point #1 15 BD

6

75

BD

IC IF FS 90

Withdraw MISO holds 50%

of M2 at risk See Note 4

Generating Facility Site Control Evidence Submission #2

Pay M4

Continue Model Review

IC Decision Point #2 15 BD 6 BD

MISO must receive AFS Reports prior to SIS posting

Final DPP SIS

See Note 1

50

Withdraw MISO holds 100%

of M2 at risk, 100% of M3

returned

True-down of Milestone payments See Note 4

All Milestones (M2, M3 and M4) become at risk upon entry to Phase 3

FS Review Tender Draft GIA IC Execute GIA TO Execute GIA

108

Higher Queued Assumptions

Generating Facility Site Control Evidence

Submission #3 prior to GIA signing,

to include 50% of ICIF and TOIF/NU's (if applicable)

M1 = Technical requirements, D1 + D2

M2 = $4000/MW

M3 = (10% of NU) ? M2

See Note 2

M4 = (20% of NU) ? M3 ? M2 See Note 2

Acronyms: AFS: Affected Systems Study BD : Business Days DPP : Definitive Planning Phase D1 : Application Fee D2 : DPP Study Funding Deposit FS : Facilities Study

GIA : Generator Interconnection Agreement IC : Interconnection Customer IF : Interconnection Facility M1, M2, etc. : Milestones NU : Network Upgrades POI : Point of Interconnection SIS : System Impact Study

Notes: 1) Effective September 19th 2018, for new cycles, Affected System, Stability, and Short Circuit Studies are required only for DPP Phase 2 and DPP Phase 3 2) M3 and M4 will be adjusted based on previously paid M3 and M4 for Provisional Requests 3) DPP Phase 1 and Phase 2 of each cycle will model higher queued assumptions from previous Phase 3 studies as available during the time of the study 4) True-down and Milestone M2 50% at risk should a project withdraw go into effect beginning with DPP-2020-Cycle 5) Site Control documentation for Review #1 is due at least 90 Calendar Days prior to the kick-off of DPP Phase 1 beginning with DPP-2020-Cycle 6) Days on this diagram are Calendar Days unless where noted as Business Days ? "BD"

NU FS

90

IC Path #1 (Default) Final NU FS not required prior to start of GIA negotiation

IC Path #2 (Election) Final NU FS must be complete prior to start of GIA period. Add an additional 90 days to Phase 3

DPP Cycle 2 Phase 3 starts after GIAs from Cycle 1 are either executed or filed unexecuted with

FERC

Updated: 5/10/2022

1

Refer to full GI Process Flow Diagram and notes for more detail: GI Application and DPP Readiness

Generator Interconnection Process

DPP Phase 1 + DPP Phase 2 + DPP Phase 3 + GIA = ~ 505 Days

Cycle 1

90 Days

DPP Phase 1 - ~140 Days

DPP Phase 2 - ~80 Days

DPP Phase 3 - ~135 Days

Application Deadline

M1 Satisfied Pay M2

Generating Facility Site Control Evidence

Submission #1 See Note 5

IC may Withdraw prior to DPP Phase 1 Kickoff, 100% of M2 returned

Scoping Call 40

Build Preliminary Model DPP SIS

and

POI

Review

5 30

90

BD

Screening

Analysis

Results 15

Generating Facility

Site Control review #1

report issued 30

MISO must receive AFS Reports prior to SIS posting

Pay M3 Continue

Update Model

Revised DPP SIS See Note 1

IC Decision Point #1 15 BD

Withdraw MISO holds 50%

of M2 at risk See Note 4

10

45

BD

IC IF FS 90

Generating Facility Site Control Evidence Submission #2

MISO must receive AFS Reports prior to SIS posting

Pay M4

Update Continue Model

Final DPP SIS

See Note 1

Network Upgrade

FS

IC Decision

Point #2

15 BD

10

30

90

BD

Withdraw MISO holds 100%

of M2 at risk, 100% of M3

returned

True-down of Milestone payments See Note 4

All Milestones (M2, M3 and M4) become at risk upon entry to Phase 3

M1 = Technical requirements, D1 + D2

M2 = $4000/MW

M3 = (10% of NU) ? M2

See Note 2

M4 = (20% of NU) ? M3 ? M2 See Note 2

Acronyms: AFS: Affected Systems Study BD : Business Days DPP : Definitive Planning Phase D1 : Application Fee D2 : DPP Study Funding Deposit FS : Facilities Study

GIA : Generator Interconnection Agreement IC : Interconnection Customer IF : Interconnection Facility M1, M2, etc. : Milestones NU : Network Upgrades POI : Point of Interconnection SIS : System Impact Study

Cycle 2

DPP Cycle 2 Phase 1 starts after Cycle 1 Phase 2 has completed

Notes: 1) Effective September 19th 2018, for new cycles, Affected System, Stability, and Short Circuit Studies are required only for DPP Phase 2 and DPP Phase 3 2) M3 and M4 will be adjusted based on previously paid M3 and M4 for Provisional Requests 3) DPP Phase 1 and Phase 2 of each cycle will model higher queued assumptions from previous Phase 3 studies as available during the time of the study 4) True-down and Milestone M2 50% at risk should a project withdraw go into effect beginning with DPP-2020-Cycle 5) Site Control documentation for Review #1 is due at least 90 Calendar Days prior to the kick-off of DPP Phase 1 beginning with DPP-2020-Cycle 6) Days on this diagram are Calendar Days unless where noted as Business Days ? "BD"

GIA ? 150 Days MISO Files GIA

FS Review Tender Draft GIA IC Execute GIA TO Execute GIA

150

Higher Queued Assumptions

Generating Facility Site Control Evidence

Submission #3 prior to GIA signing,

to include 50% of ICIF and TOIF/NU's (if applicable)

DPP Cycle 2 Phase 3 starts after GIAs from Cycle 1 are either executed or filed unexecuted with

FERC

2

Refer to full GI Process Flow Diagram and notes for more detail: GI Application and DPP Readiness

GIP Timeline Reduction Overview

DPP I GIA

DPP I DPP II

DPP III

GIA Totals

3

Previous Timeline

~140

Calendar Days

~80

Calendar Days

~135

Calendar Days (90 Day NUFS

Included)

NEW Timeline

Path #1

Path #2

~100

Calendar Days

~105

Calendar Days

~60

Calendar Days (NUFS Not Required)

~150

Calendar Days (NUFS Required)

Timeline Duration Change

Path #1

Path #2

~40 Calendar Days

~25 Calendar Days

~75

Calendar Days

~15

Calendar Days

~150

Calendar Days

~108

Calendar Days

~108

Calendar Days

~42 Calendar Days

~505

Calendar Days

~373

Calendar Days

~463

Calendar Days

~132

Calendar Days

~42

Calendar Days

Refer to full GI Process Flow Diagram and notes for more detail: GI Application and DPP Readiness

GIP Timeline Reduction - Path #1 vs Path #2

Path #1 NUFS Not Guaranteed Prior to GIA Negotiations

DPP Phase III SIS Posting

Path #2 NUFS

Guaranteed Prior to GIA Negotiations

NUFS

GIA Negotiations

Path #1 (Default) Path #2 (IC Election)

Majority end up in FCA's/MPFCA's. No GIA Amendment required.

GIA Executions

Signed GIA

GIA Amendment (*)

Notes:

? All FCA's and MPFCA's would be negotiated after a projects NUFS report has been complete. ? Phase III SIS + Phase II ICIF info is 100% available prior to moving into Path #1 or Path #2. ? (*) For instances where a NU is exclusively assigned to a single project that also falls under the

same ownership of the interconnecting TO.

NUFS

GIA Negotiations

GIA Executions

Majority end up in FCA's/MPFCA's.

Signed GIA

4

Refer to full GI Process Flow Diagram and notes for more detail: GI Application and DPP Readiness

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