HomeMy WebLinkAboutPillar Mountain High Penetration Wind Project Presentation - Sep 2013 - REF Grant 7050803Darron Scott
President/CEO
Kodiak Electric Association, Inc. shall
endeavor to produce 95% of energy sales
with cost effective renewable power
solutions by the year 2020.
Adina Preston Photography
Locally-Owned Electric Cooperative
Provides Electricity to approximately 6,000 meters
Isolated Electric Grid
Peak Load – 28 MW
Minimum Load – 11 MW
2x 10 MW Hydro Units at Terror Lake Hydro Facility
1x 10 MW Hydro Unit due to be online by fall 2013
3x 1.5 MW Wind Turbines
3x 1.5 MW Wind Turbines
2x 1.5 MW Battery Energy Storage Systems (BESS)
≈30 MW assorted diesel-fired power generation
Bringing Wind and Water Together with the BESS “Bridge”
Up to
Photo Courtesy of Dake Schmidt
2007 2008 2009 2010 2011 2012 2013
3 - 1.5 MW
Wind Turbines
3 - 1.5 MW
Wind Turbines
2 - 1.5 MW Battery
Energy Storage Systems
1 - 10 MW
Hydroelectric
Turbine
System Power
Factor Upgrade
Hydroelectric
Governor
Upgrade
25 kV line
Ties to transmission/distribution substation
Substantial Relaying
SCADA and Wind Farm control
Energy Storage System responds to
frequency excursions outside of 59.8Hz
Data resolution shown is 2 seconds
Data from April 21, 2013
Duration: 20 Hours
Average day has ≈250 events
The battery discharges to
deliver real power for
under-frequency events
Events are short in duration:
98% move the State of
Charge by < 1%
0
5000
10000
15000
20000
25000
30000
35000
Nov-12 Dec-12 Jan-13 Feb-13
# of Frequency Response Events
Monthly
Cumulative
1,000
10,000
100,000
1,000,000
0% 10% 20% 30% 40% 50% 60% 70% 80% 90%100%# SOC CyclesChange in SOC
Cycle Life in this Application
-
2,000,000
4,000,000
6,000,000
8,000,000
10,000,000
12,000,000
14,000,000
16,000,000
Aug-12 Sep-12 Oct-12 Nov-12 Dec-12 Jan-13 Feb-13 Mar-13 Apr-13 May-13 Jun-13 Jul-13 Aug-13
Wind
Hydro
Diesel
K
w
h
Third hydro turbine
online this fall.