economic dispatch at golden valley - alaska power

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ECONOMIC DISPATCH AT GOLDEN VALLEY Cory Borgeson GVEA President & CEO August 23, 2018 Alaska Power Association 67th Annual Meeting 1 Golden Valley Electric Assn.

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Page 1: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

ECONOMIC DISPATCH

AT GOLDEN VALLEY

Cory BorgesonGVEA President & CEO

August 23, 2018

Alaska Power Association 67th Annual Meeting

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Golden Valley Electric Assn.

Page 2: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

GVEA at a Glance

▪ Total Services in Place: 44,635

▪ Serving nearly 100,000 residents

▪ 5,973 square miles

▪ 3,229 miles of power lines

▪ Fairbanks, Delta Junction, Nenana, Healy,

Denali Park, Cantwell

▪ 2017 Retail Sales: 1.24 billion kWh

▪ 381 MW Generation Capacity

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Page 3: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

Where Our Power Comes From

6%

29%

27%

32%

6%

2016

GVEA Fuel Supply

5%

26%

30%

34%

5%

2017

Hydro

Coal

Natural Gas

Oil

Wind

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Page 4: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

GVEA Generation

Healy Unit 1 & 2

(28 & 50 MW coal)Eva Creek

Wind – 25 MW

North Pole

(120 MW oil)Delta (27 MW oil)

North Pole

Expansion

(60 MW oil)

Fairbanks

(41 MW oil)

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Page 5: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

Power Purchases

25 MW Aurora Energy (coal) - IPP

60 MW Chugach / ML&P / MEA / HEA

(natural gas)

Intertie limited to 75 / 80 MW

of economy energy

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Page 6: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

Power Purchases

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Alaska Environmental Power

(Delta Wind)

Bradley Lake Hydro

16.9% share of 120MW

SNAP Renewable Energy Producers

199 producers (96% solar & 3% wind & 1% cogen)

Page 7: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

Alaska

Railbelt – 1970s

• Pre-Intertie

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• GVEA

• MEA

• ML&P

• CEA

• HEA

• Seward

Page 8: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

Alaska

Railbelt – 1980s

• Alaska Intertie Built

• Alaska Intertie Agreement

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• GVEA

• MEA

• ML&P

• CEA

• HEA

• Seward

Page 9: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

Alaska

Railbelt –1990s

Added……

• Bradley Lake Hydro

• Bradley

Transmission Lines

• Ft. Knox Gold Mine

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• GVEA

• MEA

• ML&P

• CEA

• HEA

• Seward

Page 10: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

Railbelt Today -

- 2000sAdded…

• Northern Intertie

• Battery Energy Storage

System (BESS)

• Ground Based Missile

Defense

• Alyeska Pump #9

• Pogo Gold Mine

• North Pole to Carney

Transmission Line

• Clear AFB

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GVEA w MEA w ML&P w CEA w HEA w Seward

Page 11: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

Dispatching Power…by the minute

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Page 12: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

GVEA Economic Energy Purchases

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Page 13: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

Alaska Railbelt Update▪ The Railbelt utilities continue to work on a

voluntary basis towards:▪ A power pooling agreement

▪ The formation of a Railbelt transmission company

▪ Railbelt Reliability Council

▪ 2018 Goals:▪ Utilities file CPCN application & proposed tariffs w/ RCA

▪ RCA ruling approving Transco CPCN filing

▪ RRC formation

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Page 14: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

Healy 2 Update

• Steady Progress

• July 12th/13th - Fired on oil (27 MWh).

• July 28th - Fired on coal (59 MWh).

• July 31st - Fired on coal (81MWh).

• Aug 5th - Fired on coal (249 MWh).

• Aug 15th – Coal during day/oil at night

• Aug 22nd – 24hrs a day on coal

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Page 15: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

GVEA’s Solar Project

• Size: 563 kW Solar PV System

• Annual energy production is estimated to equal the annual energy used in 71 homes (using an average of 660 kWh/month).

• Footprint is 3 acres

• Panel manufacturer: CSUN

• Each of the 1,760 panels will generate 320 watts.

• Contractor: ABS Alaskan, Inc.

• Estimated to be online: October 2018

• Cost: $850,000 after a $225,000 grant supplied from United States Dept. of Agriculture (USDA) Rural Energy for America Program (REAP)

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Page 16: ECONOMIC DISPATCH AT GOLDEN VALLEY - Alaska Power

Questions?

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