Interconnection - Network Upgrade Costs for New Generator (Reimbursable vs. Capitalized)
Recording network upgrade costs required by the transmission owner to connect a new generator, with the generator initially funding costs and receiving reimbursement from the transmission owner over time as other generators use the network.
| Account Name | Type | Debit ($) | Credit ($) |
|---|---|---|---|
| Transmission Plant in Service - Network Upgrade (FERC Acct 350) | Asset (+) | 28,500,000.00 | - |
| Cash / Accounts Payable - Construction Contractor | Asset (-) / Liability (+) | - | 28,500,000.00 |
| Accounts Receivable - Generator Interconnection Customer (Advance) | Asset (+) | 28,500,000.00 | - |
| Interconnection Advance Liability (Reimbursable) | Liability (+) | - | 28,500,000.00 |
💡 Accountant's Note
Under FERC Order 2003 (Interconnection Queue Reform), new generators are required to fund network upgrades needed to connect them to the transmission grid. The transmission owner builds the upgrades (capitalizing them to transmission plant), funded initially by the generator's advance. The generator is reimbursed over time as other generators use the upgraded network (via congestion revenues or access fees collected under the OATT). The advance is a liability of the transmission owner until reimbursed. This creates a unique balance sheet presentation: the transmission owner has both a capital asset AND a corresponding reimbursement liability.
Practitioner & Systems Framework
💻 ERP Architecture
Track each generator interconnection agreement separately. FERC's interconnection queue can have hundreds of pending projects at a time. The reimbursement schedule (based on network usage by other generators) may be highly uncertain — recognize reimbursement as it becomes determinable based on actual network use.
⚠️ Audit Flags
Auditors verify that network upgrade costs are correctly capitalized to Transmission Plant (not expensed). The corresponding liability (reimbursement due to generator) must be tracked and reduced as reimbursements are made. FERC audit staff review interconnection accounting in their periodic Form 1 audits.
📄 Required Documentation
Interconnection agreement, FERC order approving interconnection, engineering cost estimate for network upgrades, advance payment confirmation from generator, reimbursement schedule based on network usage calculations, FERC Form 1 interconnection reporting.
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