END

Flowchart 8-NY-g:NYISO Large Facility Interconnection Request

Developed by the National Renewable Energy Laboratory for the DOE

Color Key

Developer

Agency

Other

Public

Page 1 of 6

To Page 2

NYISO

8-NY-g.5

Review LFIR for completeness

8-NY-g.6

Is the LFIR valid?

Developer

8-NY-g.1

Large Facility Interconnection Request (LFIR)

NYISOProvide copy of LFIR to

Connecting Transmission Owner (CTO)

8-NY-g.3

NYISO

8-NY-g.2

Send acknowledgement notice to developer

NYISO

8-NY-g.7 5 days

LFIR Deficiency Notice

Developer

8-NY-g.8 10 days

Submit requested information to NYISO (If Applicable)

NYISO

8-NY-g.10

Forward additional information to CTO

8-NY-g.9

Is the deficiency cured within 15 days?

Yes

No

Yes

No

Version: 7 December 2016

From Flowchart: 8-NY-b - NYISO Interconnection Process

NYISO

8-NY-g.4

Assign LFIR a queue position

5 days

Flowchart 8-NY-g: (continued)NYISO Large Facility Interconnection Request

Developed by the National Renewable Energy Laboratory for the DOE

Color Key

Developer

Agency

Other

Public

Page 2 of 6

To Page 4

From Page 1

NYISO

8-NY-g.11

Send acknowledgement notice to developer and CTO

NYISO

8-NY-g.12

Interconnection Feasibility Study Agreement (FESA)

NYISO

8-NY-g.13

Schedule scoping meeting

10 days

NYISO

8-NY-g.14

Hold scoping meeting

30 days

8-NY-g.15

Is a Feasibility Study (FES) required?

Developer

8-NY-g.16 5 days

Designate point(s) of interconnection

NYISO

8-NY-g.17

Tender FESA to developer

5 days

NYISO

8-NY-g.19

Conduct FES

45 days

NYISO

8-NY-g.23

Provide Final FES report to developer

Responsible Parties

8-NY-g.20

Draft FES Report

NYISO

8-NY-g.22

Final FES Report

NYISO

8-NY-g.24

Hold FES study report results meeting

10 days

NYISO/Developer/CTO

8-NY-g.21Review draft FES Report

NYISO

8-NY-g.25

Provide cost and time estimates for completion of the

SRIS3 days

Yes

Developer

8-NY-g.18 30 days

Return FESA to NYISO with deposit

No

Flowchart 8-NY-g: (continued)NYISO Large Facility Interconnection Request

Developed by the National Renewable Energy Laboratory for the DOE

Color Key

Developer

Agency

Other

Public

Page 3 of 6

To Page 4

From Page 2

NYISO

8-NY-g.26

Interconnection System Reliability Impact Study Agreement (SRISA)

Developer

8-NY-g.30 30 days

Execute and return SRISA to NYISO and submit study fee

Developer

8-NY-g.31

Demonstrate site control

8-NY-g.27

Does the developer request an Optional

Interconnection Study (OIS)?

NYISO

8-NY-g.28

Optional Interconnection Study Agreement (OISA)Yes

No

5 days

Developer

8-NY-g.29 10 days

Execute and return OISA to NYISO and submit study fee

8-NY-g.32

Is the SRISA and/or OIS complete?

NYISO

8-NY-g.33

Notify developer of SRISA and/or OIS deficiency

5 days

Developer

8-NY-g.34 10 days

Cure SRISA and/or OIS deficiency

No

NYISO/CTO

8-NY-g.35 30 days

Execute SRISA and/or OIS

Yes

Flowchart 8-NY-g: (continued)NYISO Large Facility Interconnection Request

Developed by the National Renewable Energy Laboratory for the DOE

Color Key

Developer

Agency

Other

Public

Page 4 of 6

To Page 5

From Page 3

NYISO

8-NY-g.36

Prepare scope of SRIS and/or OIS

90 days

8-NY-g.38

Does the NYISO Operating Committee approve the scope of the SRIS and/or OIS?

NYISO/CTO/Developer/Others

8-NY-g.37

Review the scope of the SRIS and/or OIS

NYISO/CTO/Developer/Others

8-NY-g.39

Renegotiate the scope of the SRIS and/or OIS

No

Developer

8-NY-g.45 30 days

Designate SRIS or OIS to submit to NYSIO Operating Committee

(If Applicable)

Responsible Parties

8-NY-g.41

Draft SRIS and/or OIS Report

NYISO

8-NY-g.44

Hold SRIS and/or OIS study report meeting

10 days

NYISO/Developer/CTO

8-NY-g.42

Review draft SRIS and/or OIS Report

NYISO

8-NY-g.40

Conduct SRIS and/or OIS

90 days

Yes

NYISO

8-NY-g.43

Provide Final SRIS and/or OIS report to developer and CTO

NYISO

8-NY-g.46

NYISO Review Report (If Applicable)

Flowchart 8-NY-g: (continued)NYISO Large Facility Interconnection Request

Developed by the National Renewable Energy Laboratory for the DOE

Color Key

Developer

Agency

Other

Public

Page 5 of 6

To Page 6

From Page 4

TPAs

8-NY-g.47

Review SRIS or OIS

NYISO

8-NY-g.50

Class Year Interconnection Facilities Study Agreement

(CYFSA)

Developer

8-NY-g.51 30 days

Execute and return CYFSA to NYISO and CTO, and submit

study fee

NYISO/CTO

8-NY-g.52 10 daysExecute CYFSA

NYISO

8-NY-g.53

Conduct CYFS

90 days

NYISO

8-NY-g.54

Draft CYFS Report

NYISO

8-NY-g.55

Submit draft CYFS Report to developer

NYISO/CTO/Developer/Others

8-NY-g.56Hold CYFS Report meeting

10 days

NYISO/CTO/Developer/Others

8-NY-g.48Negotiate SRIS or OIS

NYISO or Consultant

8-NY-g.49

Conduct Class Year Interconnection Study (CYFS)

Flowchart 8-NY-g: (continued)NYISO Large Facility Interconnection Request

Developed by the National Renewable Energy Laboratory for the DOE

Color Key

Developer

Agency

Other

Public

Page 6 of 6

From Page 5

TPAs

8-NY-g.57

Review CYFS Report and cost allocations

END8-NY-g.58

Does the NYISO Operating Committee

approve the CYFS and cost allocations?

NYISO

8-NY-g.60

Draft Large Generator Interconnection Agreement (LGIA)

No

Developer

8-NY-g.59 30 days

Submit notice to NYISO

Yes

Developer

8-NY-g.61 30 days

Execute and return draft LGIA to NYISO and CTO

Developer

8-NY-g.63

Demonstrate site control or post additional security fee

15 days

Developer

8-NY-g.64

Provide evidence of completed milestones

Developer

8-NY-g.65

Execute and return Final LGIA to NYISO and CTO

60 days

NYISO

8-NY-g.62

Final Large Generator Interconnection Agreement (LGIA)

NYISO/CTOs

8-NY-g.66

File Final LGIA with FERC

15 days