industry - maine.gov industry...maine’s electricity industry briefing for the energy, utilities...
TRANSCRIPT
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Maine’s Electricity
Industry
Briefing for the Energy, Utilities and Technology Committee by
Thomas L. Welch, Chairman
Maine Public Utilities Commission
January 22, 2013
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Electricity Components
• Delivery Service
– Transmission, distribution and customer-related services
– Provided by regulated utilities such as CMP and BHE (Transmission and Distribution utilities or “T&D utilities”)
• Power Supply – Generation and sale of power (energy and capacity)
– Regional wholesale power market administered by the New England Independent System Operator (ISO-NE)
– Generators throughout the region sell to and consumers (ultimately) purchase from this market
– Wholesale market is not subject to state rate regulation, although there is some federal oversight by the FERC
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Thirteen Electric Delivery (T&D)
Utilities in Maine
• Three investor-owned utilities (IOUs)
– CMP, BHE and MPS
• The three IOUs serve about 95% of
Maine’s load
• Cont…
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• Ten consumer-owned utilities (COUs)
– Eastern Maine Electric Coop.
– Fox Islands Electric Coop.
– Houlton Water Co. (Elect. Dept.)
– Isle-Au-Haut Electric Power Company
– Kennebunk Light & Power Company
– Town of Madison
– Matinicus Plantation Electric
– Monhegan Plantation Power
– Swans Island Cooperative
– Van Buren Light & Power District
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Commission Oversight of T&D
Utilities
• Service availability
• Service quality
• Safety
• Rates (but not transmission)
• Other
– CPCN for transmission lines
– Mergers/acquisitions
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Commission Oversight of Retail
Electricity Suppliers
• Competitive Energy Providers (CEP) – sell directly to consumers, or facilitate sale
– Maine law requires CEPs to be licensed by the Commission
– About 150 currently licensed
– Standard Offer Service
– Electric Service
• Commission’s oversight of CEP includes:
– Licensing
– Consumer protection
– General market oversight
• Compliance with state statutes and Commission rules
– RPS for example
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Retail Market
in Maine
• Large C&I consumers – Typically arrange for their own electricity supply from
a CEP
– Some purchase directly from spot market
• Medium C&I consumers - Mix of both
• Residential and other small consumers – Options to shop for their own electricity developed
over last year
– Green product to be available per Commission process beginning in 2013
• Medium C&I consumers - Mix of both
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Components of Electricity Prices
• Supply (e.g., standard offer service) – Supply includes energy, capacity, ancillaries.
– Retail vs. wholesale
• Distribution
• Transmission
• Stranded Costs
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Standard Offer Service
• Standard offer service is the supply customers
receive if they don’t have their own arrangement
with a CEP
• The Commission runs periodic competitive bid
processes to procure standard offer service
• New standard offer service prices and other
components are summarized in the following
charts
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Natural Gas is the Primary Driver
of Energy Prices
• The wholesale market in New England is
dominated by natural gas
– Natural gas generators set the market
clearing price
• Translates directly into prices Maine
consumers pay for electricity
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19971998
19992000
20012002
20032004
20052006
20072008
20092010
0.0
5.0
10.0
15.0
20.0
c/kW
h,
$/M
MB
TU
ME Elec NE Elec Total US Henry Hub Spot Price
($/MMBTU)
Comparison of Total Average Electricity Prices
and Henry Hub Natural Gas Spot Prices
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Wholesale Market Structure
• Most of Maine is part of the New England Regional Market (ISO-NE) – ISO-NE operates the regional bulk transmission
system and administers the wholesale competitive markets for energy, capacity and ancillary services
– ISO-NE is responsible for regional system reliability (planning and day-to-day operations)
– FERC has jurisdiction over the ISO-NE tariffs and market rules
– The Commission participates in ISO-NE and FERC proceedings to advocate for Maine interests
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Wholesale Market Structure
(cont.)
• Northern Maine is not electrically connected to
New England and is not part of the ISO-NE
– Includes the territories of Maine Public Service,
Houlton, Van Buren, and EMEC
– Part of the Canadian Maritimes Balancing Authority
area (includes New Brunswick, Nova Scotia, Prince
Edward Island); New Brunswick System Operator
(NBSO) has regional reliability responsibilities
– Northern Maine Independent System Administrator
(NMISA) administers the system and market
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Major Current
Issues
• Transmission
• Natural gas
• Smart Grid/AMI meters
• Renewable power development
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Transmission
• MPRP – CPCN granted in 2010
• Pending cases – Lewiston Loop
– Lakewood
– Rangeley
• Regional investment; rate implications
• Regional/national issues; renewable resource development
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CMP Advanced
Metering Project
• Smart meters and related systems (AMI)
• DOE grant ~ $95 million
• Commission approval – Overall ratepayer savings
• Operational efficiency
• Supply market savings (e.g., from dynamic pricing, load shifting)
• Subsequent customer complaints: – Health issues
– Other safety concerns
– Privacy
– Opt-out program
– Current proceeding
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Map of Pending and Approved Maine Wind Power Projects
1. Mars Hill Wind Project, Aroostook County
2. Beaver Ridge Wind Project, Waldo County
3. Stetson Ridge I Wind Project, Washington County
4. Kibby Mountain Wind Project, Franklin County
5. Vinalhaven Wind Project, Knox County
6. Stetson Ridge II Wind Project, Washington County
7. Rollins Wind Project, Penobscot County
8. Record Hill Wind Project, Oxford County
9. Oakfield Wind Project, Aroostook County
10. Spruce Mountain Wind Project, Oxford County
11. Kibby Expansion Wind Project, Franklin County
12. Bull Hill, Hancock County
13. Saddleback Ridge Wind Project, Franklin County
14. Bowers Mountain, Penobscot & Washington County (pending)
15. Passadumkeag Mountain, Penobscot County (permit denied, appeal pending)
16. Canton Mountain, Oxford County (pending)
17. Hancock Wind, Hancock County (pending)
1
5
6
3
2
9
4
11
13
8
10
7 14
12 & 17
15
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