These processes are for generators in Idaho and Oregon.
1. Eligibility Requirements
- Schedule 72 Interconnection to Non-Utility Generation
- Generators up to 80 MW
2. Application
- Eligible for submission at any time
- Idaho Generator Interconnection Request Application Form
- Demonstration of Site Control
- Generators up to 30 MW: $1,000 Deposit
- Generators over 30 MW: Deposit determined by the FERC Jurisdiction Large Generator Interconnection Procedures (LGIP)
3. Feasibility Study: 30 Business Days
Includes general review of system impact, capacity constraints and any potential issues with the customer’s choice of point of interconnection.
4. System Impact Study: 30–45 Business Days
Provides a detailed assessment of transmission system adequacy to accommodate the project. This step may not be necessary for some projects, depending on size and location.
- Schedule 72 System Impact Study Agreement
- Up to $10,000 deposit
5. Facilities Study: 30–45 Business Days
Includes design and engineering studies to determine design and specifications. Construction options are provided to the customer.
- Schedule 72 Facilities Study Agreement
- Up to $30,000 deposit
6. Interconnection Agreement
All projects are subject to technical requirements under the Interconnection Agreements once the project becomes operational.
Tier 1
1. Eligibility Requirements
In addition, the application must meet approval criteria in the Tier 1, Section 2 (a) – (e) in the Small Generator Interconnection Rules.
- Must use lab-tested, inverter-based interconnection equipment
- Electric Nameplate Capacities of 25kW or less
- Must not be interconnected to a transmission line
2. Application
- Eligible for submission at any time
- Application for Small Generator Facility Interconnection Tier 1 Interconnection
- Demonstration of Site Control
- $100 deposit
3. Application Review: 15 Business Days
- If the application is approved, the request will proceed to the Interconnection Agreement
- If the application is not approved, may submit a new application to Tier 2
4. Interconnection Agreement
All projects are subject to technical requirements under the Interconnection Agreements once the project becomes operational.
- Interconnection Agreement for Small Generator Facility Tier 1, Tier 2, Tier 3, or Tier 4 Interconnection
- Small Generator Facility Interconnection Certificate of Completion Form
- Witness Test
Tier 2
1. Eligibility Requirements
In addition, the application must meet approval criteria in the Tier 2, Section 2 (a) – (1) in the Small Generator Interconnection Rules.
- Does not qualify for, or failed to meet Tier 1 eligibility requirements
- Electric Nameplate Capacities of 2 MW or less
- Interconnected to a radial distribution circuit or a spot network distribution circuit limited to serving one customer
- Must not be interconnected to a transmission line
- Must use interconnection equipment that is either lab-tested or field-tested
2. Application
- Eligible for submission at any time
- Application for Small Generator Facility Interconnection Tier 2, Tier 3, Tier 4 Interconnection
- Demonstration of Site Control
- $500 Deposit
3. Application Review: 20 Business Days
- If the application is approved, the request will proceed to the Interconnection Agreement
- If the application is not approved, may submit a new application to Tier 3
4. Interconnection Agreement
All projects are subject to technical requirements under the Interconnection Agreements once the project becomes operational.
- Interconnection Agreement for Small Generator Facility Tier 1, Tier 2, Tier 3, or Tier 4 Interconnection
- Small Generator Facility Interconnection Certificate of Completion Form
- Witness Test
Tier 3
1. Eligibility Requirements
In addition, the application must meet approval criteria in the Tier 2 Section 2 (a), (h) and (j), and in the Tier 3 Section 3 (a) – (c) in the Small Generator Interconnection Rules.
- Does not qualify for, or failed to meet Tier 1 or Tier 2 eligibility requirements
- Electric Nameplate Capacities of 10 MW or less
- Must not be interconnected to a transmission line
- Must not export power beyond the point of interconnection
- Must use low forward power relays or other protection functions that prevent power flow onto the area network
2. Application
- Eligible for submission at any time
- Application for Small Generator Facility Interconnection Tier 2, Tier 3, Tier 4 Interconnection
- Demonstration of Site Control
- $1,000 deposit
3. Application Review: 20 Business Days
- If the application is approved, the request will proceed to the Interconnection Agreement.
- If the application is not approved, may submit a new application to Tier 4
4. Interconnection Agreement
All projects are subject to technical requirements under the Interconnection Agreements once the project becomes operational.
- Interconnection Agreement for Small Generator Facility Tier 1, Tier 2, Tier 3, or Tier 4 Interconnection
- Small Generator Facility Interconnection Certificate of Completion Form
- Witness Test
Tier 4
1. Eligibility Requirements
In addition, the application must meet approval criteria in the Tier 4 Section 5 (A) and (B) in the Small Generator Interconnection Rules.
- Does not qualify for, or failed to meet Tier 1, Tier 2 or Tier 3 eligibility requirements
- Electric Nameplate Capacities of 10 MW or less
2. Application
- Eligible for submission at any time
- Application for Small Generator Facility Interconnection Tier 2, Tier 3, Tier 4 Interconnection
- Demonstration of Site Control
- $1,000 Deposit
3. Application Review: 15 Business Days
- If the application is approved, the request will proceed to the Interconnection Agreement.
- If the application is not approved, proceed to the Feasibility Study.
4. Feasibility Study: 30 Business Days
Includes a general review of system impact, capacity constraints and any potential issues with the customer’s choice of point of interconnection. This step may not be necessary for all projects.
5. System Impact Study: 30–45 Business Days
Provides a detailed assessment of transmission system adequacy to accommodate the project. This step may not be necessary for all projects.
- Small Generator Facility Interconnection System Impact Study Agreement
- Facility Connection Requirements
- Up to $1,000 deposit
6. Facility Study: 30–45 Business Days
Includes design and engineering studies to determine design and specifications. Construction options are provided. This step may not be necessary for all projects.
- Small Generator Facility Interconnection Facilities Study Agreement
- Up to $1,000 deposit
7. Interconnection Agreement
All projects are subject to technical requirements under the Interconnection Agreements once the project becomes operational.
1. Eligibility Requirements
- Standard Interconnection Procedures and Agreements Adopted for Large Qualifying Facilities (QF-LGIP)
- Over 20 MW but equal or less than 80 MW
2. Application
- Eligible for submission at any time
- QF-Large Generator Interconnection Application
- Demonstration of Site Control
- Or $10,000 Non-Refundable Site Control Deposit
- $10,000 Deposit
3. Feasibility Study: 45 Calendar Days
Includes general review of system impact, capacity constraints and any potential issues with the customer’s choice of point of interconnection
4. System Impact Study: 90 Business Days
Provides a detailed assessment of transmission system adequacy to accommodate the project
- QF-System Impact Study Agreement
- Data Requirements similar to the Transitional Cluster Study Submission Checklist
- $50,000 Deposit
- Demonstration of Site Control
- Idaho Power may also study report in the FERC Cluster Study in accordance with Section 4.2 of the QF-LGIP
5. Facilities Study: 90–180 Calendar Days
Includes design and engineering studies to determine design and specifications. Construction options are provided to the customer.
- QF-Facilities Study Agreement
- $100,000 Deposit
6. Interconnection Agreement
All projects are subject to technical requirements under the Interconnection Agreements once the project becomes operational.
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