The Independent Electricity System Operator (IESO) sought to prevent solar energy suppliers from increasing their DC capacity, arguing it constituted a 'Contract Facility Amendment' requiring IESO consent under Feed-in-Tariff (FIT) 1.3 and 1.5 contracts.
The suppliers argued that such 'Optimizations' did not require consent as they did not alter features explicitly outlined in the contract application or cover page, and did not exceed AC capacity limits.
The court found that the Optimizations were not Contract Facility Amendments requiring IESO notice and consent, as DC capacity was not an 'outlined' feature in the contracts.
The suppliers' applications for declarations were granted, and the IESO's counter-applications were dismissed.