100% renewable energy - moloka‘i · 100% renewable energy by 2030 … or earlier. 11 • let’s...
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October 17, 2018
100% Renewable Energy - Moloka‘i
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Maui
Moloka‘i
Lānaʻi
Lāna‘i City
Kaunakakai
Kahului
Maui Electric Company
Service Area
Maui County 2015 Population: 164,637 (estimate)
Service Area for Maui Electric: 1,159.2 sq. mi.
Average Number of Maui Electric Customers for 2017: 71,049
Molokaʻi
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POPULATION 7,345
LAND 260 square miles
ZONING 67% agriculture
Molokaʻi
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CUSTOMERS 3,230
83% residential / 17% commercial
LOAD 5.8 MW – 1.5 MW
DG PV INSTALLED & PREAPPROVED 2.28 MW; 424 customers
CIRCUITS & TRANSMISSION 1 - 34kV Transmission Line
8 - 12kV Distribution Circuits
Molokaʻi
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Maui Electric Generation on Molokaʻi
• Total generating capacity = 15.2MW
• Ultra-low-sulfur diesel (ULSD)
• Isochronous control
• Minimum units online = 2
Molokaʻi
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Molokaʻi System Issues
• Distributed generation on Moloka‘i mostly PV Systems
• No SCADA control/visibility of Distributed PV
• Protection coordination
• Voltage regulation with large water pump motor starts
Molokaʻi
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Molokaʻi System Issues
Molokaʻi
Low load periods
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Hawai‘i’s historic new law
to reach 100% renewable energy
by 2045
Molokaʻi
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Multi-pronged holistic approach
Working simultaneously
Molokaʻi
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• Reduce odds of adversarial escalation
• Minimize risk of opposition
• Demonstrate good faith effort - earn trust and increase credibility as
experts
• Build into energy plans community’s perspective
Intent of Community Outreach
Molokaʻi
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• Achieving 100% Renewable Energy Future for Moloka‘i in
collaboration with the community balancing clean energy,
reliability, and affordability
• Looking to other island systems around the world achieving
100% RE
• Community feedback and support critical to success of plans
• Funding capital investments a challenge
Molokaʻi
100% Renewable Energy by 2030 … or Earlier
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• Let’s Talk Energy discussions on
Moloka‘i
• Targeted roundtable meetings
• Open community meeting
• The community:
• Want lower bills
• Want to be involved in planning for
future of Moloka‘i
• Willing to be innovative to achieve
100% renewable energy
• In addition, businesses want reliable,
quality power
Molokaʻi
Listening to the Voice of the Community
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100% Renewable Energy Evolution
• Community involvement in planning discussions
• Maintaining system reliability
• Integrating clean energy and offering customers choices
• Affordable energy for all customers
• Hosted roundtable sessions with a focus on renewable energy
Molokaʻi
Planning for 100% renewable energy on Moloka‘i
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475 community comments
received about
8 different energy
resource options
Community Process
Molokaʻi
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What’s important to you?
Molokaʻi
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• Providing choices for customers
• Learning from other islands around the world
• Possible infrastructure investments:
• Work with potential providers of renewable energy
• Partnership with Hawaii Natural Energy Institute
Molokaʻi
Providing Clean, Affordable, Reliable Energy
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Offering Customer Choices
• Net Energy Metering Queue
o Move NEM customers queue forward
• E-Gear Pilot Project
o Customer sited energy storage
• Other options
o ConnectDER devices
Molokaʻi
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• Pilot Solar Programs
• Electric Vehicles and Charging Stations
• Community Based Renewable Energy
• Demand Response / Time-of-Use Rate Options
o Low day-time rates to absorb PV energy
• Electric Vehicles
o Fast charger installation to encourage EV adoption
o Lower overall household costs for energy and fuel
Molokaʻi
Offering More Customer Choices
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Learning from Others
Roadmap
• Selection Criteria for potential
consultants
• Utility experience in
operations
• Experience with small island
grids
• Capable to address similar
challenges facing Moloka‘i
• Low inertia systems
• Reliability/Protection
Molokaʻi
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Learning from Others
Hydro Tasmania
• Consultant selected to develop roadmap
for grid improvements to bring Moloka‘i
forward to 100% renewable energy
Molokaʻi
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Microgrid Management System
Energy Storage
• Central
• Distributed
Load Bank
Digital Protection Equipment
Synchronous Condensers
Infrastructure Investments
Molokaʻi
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• Large-scale solar and battery project
• Providing Moloka‘i customers 2.64 megawatt of solar energy
• Energy Storage - 3MW/15MWH
• Located on 37 acres of industrial land near Pala‘au power plant
• Agreement reached after many years and a requirement to obtain community input
• Supported in part by New Market Tax Credits funding
• Scheduled operation by end of 2019
Opportunity to purchase solar energy from Moloka‘i New Energy Partners
Half Moon Venture photo
Renewable Energy Providers
Molokaʻi
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Partnerships
Molokaʻi
Hawaii Natural Energy Institute
• Energy Storage
• Load Bank
County of Maui
• Electric Vehicles and Charging Stations
• Demand Response
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A 16-year old today on Moloka‘i
Will be 21 years old in 2023 and 43 years old in 2045
Molokai High Roundtable
Molokaʻi
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Molokaʻi
Mahalo!