kauai island utility cooperativewho we are •sole electric utility for the island of kauai •not...
TRANSCRIPT
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KAUAI ISLAND UTILITY COOPERATIVEENERGY STORAGE – YESTERDAY, TODAY, AND TOMORROW
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WHO WE ARE
• Sole electric utility for the island of Kauai
• Not for Profit Rural Electric Co-op
• Over 37,000 meters
• Over 44% of power generated by renewables in 2017
• Goal of 50% renewable by 2023, 70% by 2030
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KIUC INTERCONNECTION PROCESS
• KIUC publishes RFO for land
• KIUC publishes RFP for EPC Company
• KIUC Selects site and EPC
1. Based on our grid needs, price, ability, etc.
2. Negotiates directly with land owners; EPCs
• KIUC develops infrastructure (if needed)
• Co-op has access to low interest $
• Fast execution
• Process results in lower cost Purchase Power Agreement (PPA)
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YESTERDAY – STORAGE FOR STABILITY
• Three 1.5 MW / 1.0 MWh BESS – Extreme-Advanced Lead Acid
• 6.0 MW / 4.5 MWh BESS – Saft-Lithium Ion
• Sited near PV
• Minimal interconnection issues
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TODAY – STORAGE FOR LOAD SHIFTING & CONTROL
• Tesla PV + BESS – May 2017
• AES Lawai PV + BESS – December 2018
• AES PMRF PV + BESS – November 2019
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TOMORROW – STORAGE IS THE GRID
• Westside pumped storage + PV – 2022-2023 in service
• Over 80% of electricity generated from renewables
• Over 35% of daily electricity will be sourced by storage
• Storage “Units” will control the grid
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SUMMARY
• KIUC Storage Interconnections have resulted or will result in:
1. Low cost PPAs
2. Fast implementation
3. Improved substation infrastructure
4. Improved customer satisfaction (Navy)
5. Over 80% of island electricity generated by renewables
Questions / Comments [email protected]