Nov 4 Chris Foster Georgetown
Key Dates • 2000-GUS caps load with LCRA • 2008-Chris is hired, GUS sets goal for 30% renewable by 2030, and GUS buys into AEP wind Farm • 2010-Southwestern contracts through GUS to be 100% renewable • Sept. 2012-GUS exits LCRA contract, taking short term market power that is natural gas equivalent
Key Dates • Dec. 2013-GUS secures EDF wind Farm PPA • Dec. 2014-GUS secures SunEdison Solar PPA • Sept. 2015-EDF wind Farm goes online, GUS achieves 90% renewable status • Jan. 1, 2017-SunEdison Solar Farm goes online, GUS achieves 100% renewable Status • …
Renewable Farm Details **We Buy over 2x what we need** • Solar Farm with SunEdison • COD estimated before Jan. 1 2017 • 25 year PPA with fixed/flat price • 150 MW capacity • Expected production of about 400,000 mWhs annually
• Wind Farm with EDF-RE • COD 9/28/2015 getting GUS to 90% renewable power • 20 year PPA with fixed/flat price • 144 MW capcity for GUS, 50 MW for GP&L • 600,000 mWhs annually
EDF Farm
Old School Philosophy Sell excess and buy short hours 160
140
120
MegaWatts
100 Block 3
80
Block 2 Block 1
60
Load
40
20
0 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Time of Day in Houring Ending
16
17
18
19
20
21
22
23
24
Traditional Renewable Sell excess, fill short with NG when MC is < or = to MR, or market power when MC > MR 160
140
120
MegaWatts
100 NG/Market
80
Solar Wind
60
Load
40
20
0 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Time of Day in Hour Ending
16
17
18
19
20
21
22
23
24
GUS philosophy Sell excess/Charge storage on MC vs. MR basis. Deploy storage vs. Mkt on MC vs. MR basis. Deploy storage to offset grid CIP, for 4CP mitigation, and reliability. 200 180 160
MegaWatts
140 120 Storage/Mkt 100
Solar Wind
80
Load
60 40 20 0 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Time of Day in Hour Ending
16
17
18
19
20
21
22
23
24
Alexa
Batteries
Natural Gas Plant
• • • • • • •
Christopher Foster, MPA, CGFO Georgetown Utility Systems 512-930-2584 [email protected] City Hall 113 E. 8th St. Georgetown, Texas 78626
Key Dates • Dec. 2013-GUS secures EDF wind Farm PPA • Dec. 2014-GUS secures SunEdison Solar PPA • Sept. 2015-EDF wind Farm goes online, GUS achieves 90% renewable status • Jan. 1, 2017-SunEdison Solar Farm goes online, GUS achieves 100% renewable Status • …
Renewable Farm Details **We Buy over 2x what we need** • Solar Farm with SunEdison • COD estimated before Jan. 1 2017 • 25 year PPA with fixed/flat price • 150 MW capacity • Expected production of about 400,000 mWhs annually
• Wind Farm with EDF-RE • COD 9/28/2015 getting GUS to 90% renewable power • 20 year PPA with fixed/flat price • 144 MW capcity for GUS, 50 MW for GP&L • 600,000 mWhs annually
EDF Farm
Old School Philosophy Sell excess and buy short hours 160
140
120
MegaWatts
100 Block 3
80
Block 2 Block 1
60
Load
40
20
0 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Time of Day in Houring Ending
16
17
18
19
20
21
22
23
24
Traditional Renewable Sell excess, fill short with NG when MC is < or = to MR, or market power when MC > MR 160
140
120
MegaWatts
100 NG/Market
80
Solar Wind
60
Load
40
20
0 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Time of Day in Hour Ending
16
17
18
19
20
21
22
23
24
GUS philosophy Sell excess/Charge storage on MC vs. MR basis. Deploy storage vs. Mkt on MC vs. MR basis. Deploy storage to offset grid CIP, for 4CP mitigation, and reliability. 200 180 160
MegaWatts
140 120 Storage/Mkt 100
Solar Wind
80
Load
60 40 20 0 1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Time of Day in Hour Ending
16
17
18
19
20
21
22
23
24
Alexa
Batteries
Natural Gas Plant
• • • • • • •
Christopher Foster, MPA, CGFO Georgetown Utility Systems 512-930-2584 [email protected] City Hall 113 E. 8th St. Georgetown, Texas 78626
