The enterprise friction point
Invenergy spent 18 days each month manually reconciling 15-minute revenue meter data against complex Power Purchase Agreements (PPAs) with contract-for-difference (CFD) formulas and nodal basis differentials. Additionally, manual curtailment delays during negative wholesale pricing hours incurred steep grid penalty charges.
Transformation objectives
- Connect 15-minute utility revenue meters, ISO pricing APIs (ERCOT/CAISO), and PPA contract terms.
- Automate real-time inverter curtailment and battery charging during negative nodal pricing hours.
- Compress monthly PPA settlement billing to 24 hours and eliminate billing dispute write-offs.
Discovery & architectural audit
Billing reconciliation audit showed that commercial analysts manually cross-referenced over 2,800 15-minute meter intervals per month in Excel, resulting in calculation discrepancies that delayed cash settlement by weeks.
The Fortiv AI architecture
- 01
Utility Revenue Meter & ISO Settlement API Connectors: Ingests certified 15-minute revenue meter data and ISO nodal pricing statements automatically.
- 02
Real-Time Wholesale LMP Curtailment & Storage Co-Optimizer: Triggers battery charging and inverter curtailment whenever nodal pricing turns negative.
- 03
Contract-for-Difference (CFD) Tariff Settlement Engine: Reconciles generation against contract strike prices, basis hedges, and index collars in seconds.
- 04
Environmental REC Registry & Accounting Ledger Bridge: Syncs verified MWh generation directly to WREGIS/PJM-EIS registries and ERP accounting ledgers.
Verified audit outcomes
Post-deployment impact
- 18d → 24h Settlement
- Monthly PPA billing reconciliation and invoice generation compressed by 94%
- $380,000 Saved
- In avoided billing dispute write-offs and delayed settlement true-up adjustments
- 100% Penalty Avoidance
- Zero negative wholesale electricity pricing penalties incurred through automated curtailment
- 0 Audit Exceptions
- Full compliance with FERC and institutional project finance audit standards
Architectural lessons learned
Automating 15-minute interval reconciliation against ISO nodal pricing eliminates human spreadsheet error completely.
Paired battery storage co-optimization turns negative pricing hours into profitable charging opportunities.
Future scale roadmap
Integrating automated capacity market bidding and spinning reserve ancillary service dispatch.
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