operations monthly report (may 2003)€¦ · ercot operations monthly report – september 2004...

ERCOT OPERATIONS MONTHLY REPORT – SEPTEMBER 2004

PAGE 1 OF 35

OPERATIONS MONTHLY REPORT

September 2004

ERCOT System Operations

Kent Saathoff, Director Joel Mickey, Manager


PAGE 2 OF 35

Table of Contents Grid Operation..................................................................................................................................3

Peak Demand...............................................................................................................................4

OOMC and RMR Activity............................................................................................................6

Transmission Congestion Management .................................................................................7

Local Congestion .......................................................................................................7

CSC Congestion........................................................................................................9

Notable Events ..........................................................................................................................10

Market Operation............................................................................................................................13

Ancillary Services .....................................................................................................................13

Average Hourly Procurement by Ancillary Service.................................................13

Average MCPC by Ancillary Service.......................................................................14

Average Deployment by Ancillary Service..............................................................15

Balancing Energy..................................................................................................................... 16

Average Balancing Energy Deployed............................................................ 16

% of Total ERCOT Energy Requirement....................................................... 19

Average MCPE.............................................................................................. 21

Average Shadow Price................................................................................. 24

Cost Summary................................................................................................................................27

Ancillary Service Capacity Cost .................................................................... 27

Ancillary Service Deployment Cost ............................................................... 27

OOMC Cost................................................................................................... 28

RMR Cost...................................................................................................... 29

Verified Actual RMR Cost.............................................................................. 30

Local Congestion Costs by Area ................................................................... 31

Local Congestion Costs by Instruction Type ................................................ 31

Local Congestion Costs for Energy .............................................................. 32

Cost Summary .............................................................................................. 33


PAGE 3 OF 35

Grid Operation

ERCOT OPERATIONS MONTHLY REPORT – SEPTEMBER 2004 Daily Peak Demand

September 2004

0

10000

20000

30000

40000

50000

60000

9/1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

MW

Peak Demand for the Month: 9/17/04 16:00 55176

Monthly Peak DemandSeptember 2003 - September 2004

0

10000

20000

30000

40000

50000

60000

Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep

MW

Note: Peak Demand is Peak Interval DemandPAGE 4 OF 35


PAGE 5 OF 35

30.0

35.0

40.0

45.0

50.0

55.0

60.0

65.0

70.0

75.0

80.0

85.0

90.09/

1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

Houston North South West NorthEast

Trend of Temperature in Five Congestion Management Zones


PAGE 6 OF 35

OOMC and RMR Activity Relative Activity Capacity Purchases - OOMC & RMR

September 2004

0 1 0 0 0 0

23

4 2

23

81

73

56

30 30 30

0 0 0

65

0

10

20

30

40

50

60

70

80

90D

FW

Lare

do A

rea

Eas

t Rio

Gra

nde

Wes

t Rio

Gra

nde

San

Ang

elo

Are

a

Cor

pus

Chr

isti

Are

a

Abi

lene

Are

a

Bry

an A

rea

Nor

thea

st

San

Ant

onio

Uni

t-Day

s*

OOMC RMR

Note: 1 Unit-Day = 1 unit procured during any time period within one trade day.


PAGE 7 OF 35

Local Congestion Management Total Number of Days of Local Congestion Management

22

2019

16

12 1211

10 109

8 87

65 5

4 4 43 3 3 3 3 3

2 2 2 2 2 2 2

0

5

10

15

20

25H

eigh

ts -

PH R

obin

son

TAM

U -

Dan

sby

Ash

erto

n - W

est C

onoc

o

Polk

- H

all A

cres

Aus

trop

Tr

McC

oll R

d - M

cAlle

n2

Hea

rne

- Hea

rne

Cty

Ced

ar H

ill -

Wat

erm

ill

Bria

rcre

st -

Nal

l Lan

e

Ft L

anca

ster

- Ill

inoi

s

Trin

idad

TR

6H

Esko

ta T

r

La P

alm

a - R

io H

ondo

S M

cAlle

n - L

as M

ilpas

Cal

aver

as -

Bal

l Par

k

Hie

delb

erg

- Wes

laco

Jew

et -

Wat

sons

Cha

pel

Segu

in -

Segu

in W

est

Nue

ces

Bay

- H

iway

9

Ode

ssa

- Big

Thr

ee

SMI -

McQ

ueen

ey

Uva

lde

- Asp

halt

Min

es

N S

ange

r - S

prin

g

Ash

erto

n - W

Con

oco

N M

cAlle

n - W

McA

llen2

Rio

Hon

do -

La P

alm

a

Fort

Lan

cast

er -

Illin

ois

4

Rob

erts

on -

Mila

no

Atk

ins

- Bria

rcre

st

Sand

ow T

r.

Alle

n Pl

ano

Alm

a R

d

El D

orad

o - L

ive

Oak

Day

s


Heights Sub - Freeway Park Heights - PH Robinson 22 Gibbons Creek - Greens Prairie/East TAMU - Dansby 20

Uvalde - Hamilton Asherton - West Conoco 18 N McAllen - N Edinburg Polk - Hall Acres 16

Austrop - Sandow Austrop Tr 12 N Edinburg - Bates McColl Rd - McAllen 12

Gibbons Creek - Greens Prairie/East Hearne - Hearne City 11 Gibbons Creek - Greens Prairie/East Briarcrest - Nall Lane 10

Big Brown - Richland Chambers Trinidad TR 6H 8 Morgan Creek - Eskota Eskota Tr 8

West Levee - Sergeant Rd Cedar Hill - Watermill 8 West Yates - N McCamey Ft Lancaster - Illinois 8

La Palma - Rio Hondo La Palma - Rio Hondo 7 N Edinburg - Rio Hondo S McAllen - Las Milpas 6

Calaveras- Skyline/Walzem Rd Calaveras - Ball Park 5 N Edinburg - Rio Hondo Hiedelberg - Weslaco 5

Citgo Oak Park - Highway 9 Nueces Bay - Hiway 9 4 Clear Springs - Marion/Zorn Seguin - Seguin West 4

Gibbons Creek - Twin Oaks Switch Jewet - Watsons Chapel 4 Asherton - Eagle Pass Uvalde - Asphalt Mines 3

Clear Springs - Marion/Zorn SMI - McQueeney 3 Frontera - S McAllen N McAllen - W McAllen 3

Morgan Creek - Odessa Odessa - Big Three 3 N Denton - W Denton N Sanger - Spring 3

Allen Renner/Tennyson Allen Plano Alma Rd 2 Asherton - W Conoco 2

Big Lake - N McCamey Fort Lancaster - Illinois 4 2 Gibbons Creek - Greens Prairie/East Atkins - Briarcrest 2

Live Oak - Sonora El Dorado - Live Oak 2 Rio Hondo Tr Rio Hondo - La Palma 2 Sandow Tr. Robertson - Milano 2

Sandow Tr. 2 Sergeant - Watermill Cedar Hill - Watermill 2

Contingency Congestion Element Number of Days

Note: 1 day= units procured during any time period within one trade day. Total numbers of 1 day or less of local congestion management are not shown in the graph. Occurrences of 1 day or less are not listed in table but are totaled in graph. Indicates a Remedial action plan has been developed for the element

PAGE 8 OF 35


PAGE 9 OF 35

CSC Congestion Management

0

5

10

15

20

25

30

35

409/

1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

EN NH SH SN WN

Num

ber o

f int

erva

ls

Instances of CSC congestion


PAGE 10 OF 35

Notable Events

New Procedures/ Forms/ Operations Bulletins

9/20/2004 Ercot Market Operations Bulletin 19

The relationship between Resource-specific Instructed Deviations and Portfolio Balancing Energy Bids

9/27/2004 Ercot Power Operations Bulletin 110 Phase II Implementation of PRR 425

9/30/2004 Ercot Power Operations Bulletin 111 Temporary Change – Frequency Control Desk CN#158



Security Alert Stage/ Threatcon/ Related issues

Security Threat Alert Yellow (Elevated) maintained through September.

EECP Occurrence None

Major Weather Related Power System Problems None

Major system Voltage problems

None Significant Communication Problems

9/10/2004 10:30-11:30 Portal Down

9/14/2004 Held 10:45 interval

9/14/2004 Held 14:00 interval

9/23/2004 5:45-6:20 Portal Down

9/25/2004 13:00-14:30 A/S Market Extended Major Computer System Problems/Fixes

None

Load Shed incidences

9/1/2004 17:00-19:00 75MW Laar interrupted for transmission security.

9/3/2004 4:30-6:30 Multiple 138 kV lines tripped in Galveston County and approximately 24 MW load was lost. Static line failure was the reported cause.

New SPS & RAP’s

Generation dispatch at STP to protect STP-WA Parrish upon the loss of the double STP-DOW lines.


PAGE 11 OF 35

OCN, Advisory, Alert, Emergency Notice and Major Disturbances Tr

ansm

issi

on A

lert

s (C

ontin

genc

y lo

ads

Elem

ent)

Rob

erts

on -

Mila

no

San

dow

Tr

Dill

ey -

San

Mig

uel l

oads

Der

by -

Pea

rsal

l

Rio

Hon

do -

La P

alm

a lo

ads

Rio

Hon

do

- La

Pal

ma

Uva

lde

- Ham

ilton

load

s A

sher

ton

- W

est C

onoc

o

Uva

lde

- Asp

halt

Min

es

Mid

land

E -

Ode

ssa

load

s O

dess

a -

Ode

ssa

Nor

th

Live

Oak

- S

onor

a lo

ads

El D

orad

o -

Live

Oak

Gib

bons

Cre

ek -

Bry

an E

ast/G

reen

s P

rairi

e lo

ads

Dan

sby

- TA

M

Gib

bons

Cre

ek -

Bry

an E

ast/G

reen

s P

rairi

e lo

ads

Bria

rCre

st -

Nal

l Lan

e

N E

dinb

urg

- Bat

es lo

ads

N M

cAlle

n -

McC

oll R

d

N D

ento

n - W

est D

ento

n lo

ads

N

San

ger -

Spr

ing

Ara

nsas

Pas

s - I

ngle

side

load

s R

inco

n - R

ockp

ort

9/1 * 9/2 * * 9/3 * * 9/4 9/5 * * 9/6 * * * * * * 9/7 9/8 9/9 *

9/10 * 9/11 * * 9/12 * * * 9/13 * * * * 9/14 * * * * 9/15 * * * 9/16 * * 9/17 * * * 9/18 * * * * 9/19 * * 9/20 9/21 * * 9/22 9/23 9/24 9/25 9/26 * 9/27 * 9/28 * 9/29 * 9/30


PAGE 12 OF 35

9/9 13:40-18:00 OCN issued. Load forecast exceeded projected capacity

9/10 08:00 -21:00 OCN issued. Load forecast exceeded projected capacity

9/10 10:30 -11:30 Alert issued. Load forecast exceeded projected capacity

9/15 15:00 – 18:15 Alert issued. Insufficient Up Balancing in North, South, and Houston Zones.

9/16 14:00 – 24:00 Alert issued. Insufficient Up Balancing in North, Northeast, and West Zones.

9/17 15:00 – 18:00 OCN issued. Insufficient Up Balancing projected.

9/17 16:00 – 18:00 OCN issued. Insufficient capacity projected. Update on New Generation

None

Max / Min Temperature Max: 101˚F FW Min: 48.8˚F W

Other None


PAGE 13 OF 35

Market Operation

Ancillary Services


Average Hourly Procurement by Ancillary ServiceSeptember 2004

0

200

400

600

800

1000

12009/

1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

URS DRS RRS NSRS

MW

Average Hourly Procurement by Ancillary ServiceSeptember 2003 - September 2004

0

100

200

300

400

500

600

700

800

900

1000


URS DRS RRS NSRS

M W

PAGE 14 OF 35

ERCOT OPERATIONS MONTHLY REPORT – SEPTEMBER 2004 Average MCPC by Ancillary Service

September 2004

$0

$5

$10

$15

$20

$25

$30

$35

9/1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/ 9/

URS DRS RRS NSRS

$/M

W

≈399.98

Average MCPC by Ancillary ServiceSeptember 2003 - September 2004

$0

$2

$4

$6

$8

$10

$12

$14

$16

$18

$20


URS DRS RRS NSRS

$/M

W

≈62.28

PAGE 15 OF 35 Note: MCPC of each service is averaged over intervals which have a procurement (>0MW) of that service.

ERCOT OPERATIONS MONTHLY REPORT – SEPTEMBER 2004 Average Deployment by Ancillary Service

September 2004

0

40

80

120

160

200

240

2809/

1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

URS DRS RRS NSRS

M W

Average Deployment by Ancillary ServiceSeptember 2003 - September 2004

0

20

40

60

80

100

120

140

160

180

200


URS DRS RRS NSRS

M W

PAGE 16 OF 35


PAGE 17 OF 35

Balancing Energy

Average Balancing Energy Deployed


0

200

400

600

800

1000

1200

9/1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

UBES_H UBES_N UBES_SUBES_W UBES_NE

M W

Average UBES Deployment in Five ZonesSeptember 2004

0

100

200

300

400

500

600

700

9/1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

DBES_H DBES_N DBES_SDBES_W DBES_NE

Average DBES Deployment in Five ZonesSeptember 2004

MW

PAGE 18 OF 35


0

100

200

300

400

500

600

700

800


UBES_H UBES_N UBES_SUBES_W UBES_NE

UBES Deployment: Rolling 12 Month RecordsSeptember 2003 - September 2004

MW

0

100

200

300

400

500

600


DBES_H DBES_N DBES_SDBES_W DBES_NE

DBES Deployment: Rolling 12 Month RecordsSeptermber 2003 -Septermber 2004

MW

PAGE 19 OF 35


PAGE 20 OF 35

Balancing Energy

% of Total ERCOT Energy Requirement


PAGE 21 OF 35

0%

1%

2%

3%

4%

5%

6%

7%9/

1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

UBES % DBES %

Average BES Deployed: as A Percentage of Total Energy RequirementSeptember 2004

0%

1%

2%

3%

4%

5%


UBES DBES

Average BES Deployed: as A Percentage of Total Energy RequirementSeptember 2003 - September 2004


PAGE 22 OF 35

Balancing Energy

Average MCPE


PAGE 23 OF 35

0

10

20

30

40

50

60

709/

1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

MCPE_H MCPE_N MCPE_SMCPE_W MCPE_NE

Average MCPE in Five ZonesSeptember 2004

$/M

W

0

10

20

30

40

50

60

70

80

90

0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96


Average MCPE at Each Interval for Five ZonesSeptember 2004

Interval

$/M

W


PAGE 24 OF 35

0

5

10

15

20

25

30

35

40

45

50



MCPE: Rolling 12 Month RecordsSeptember 2003 - September 2004

$/M

W

0

1

2

3

4

5

6

7

Sep Oct Nov Dec Dec Jan Feb Mar Apr Apr May Jun Jul Aug Sep

Trend of Average Fuel IndexSeptember 2003 - September 2004


PAGE 25 OF 35

Balancing Energy

Average Shadow Price


0

2

4

6

8

10

12

14

16

18

20

22

24

269/

1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

EN NH SH SN WN

Average Shadow Price September 2004

$/M

W

0

1

2

3

4

5

6


EN NH SH SN WN

$/M

W

Average Shadow Price September 2003 - September 2004

PAGE 26 OF 35


PAGE 27 OF 35

Cost Summary


$-

$0.5

$1.0

$1.5

$2.0

$2.59/

1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

Total: $28.08 Million

Mill

ions

$

DRS URS RRS NSRS

Ancillary Service Capacity CostSeptember 2004

$(0.2)

$(0.1)

$-

$0.1

$0.2

$0.3

$0.4

$0.5

$0.6

9/1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

Total w DRS: $2.29 Million Total w/o DRS: $6.20 Million

Mill

ion

$

DRS URS RRS NSRS

Ancillary Service Deployment CostSeptember 2004

PAGE 28 OF 35 Note: There is not a price for self-arranged Ancillary Services. MCPC is used to calculate the cost for self-arrangement.


PAGE 29 OF 35

OOMC Cost At Final SettlementSeptember 2004

0.0

0.1

0.2

0.39/

1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

Start-Up Payment (Total: $1.21 Million)

Total OOMC Payment (Total: $3.20 Million)

Mill

ion

$


-1.5

-1.0

-0.5

0.0

0.5

1.0

1.59/

1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

Energy Stand By Start Up BENA Credit

RMR Cost (Initial Settlement) September 2004

Mill

ion

$

Total Net Cost $8.04 Million

-0.3

-0.2

-0.1

0.0

0.1

0.2

0.3

0.4

0.5

0.6

9/1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

Mill

ions

$

RMR Net Cost (Initial Settlement) September 2004

PAGE 30 OF 35


PAGE 31 OF 35

-30

-20

-10

0

10

20

30

40

50

Jan-

04

Feb-

04

Mar

-04

Apr

-04

May

-04

Jun-

04

Jul-0

4

Aug

-04

Sep-

04

Mill

ion

$

RMR Payments BENA Credit RMR Net Costs

Verified Actual RMR Cost

RMR Net Cost: $94.98 Million

*Note: 1. Trade dates 1/1/04 thru 8/22/04 complete with Final Resettlement data, using verifiable actual cost data provided by

the RMR Unit owner. 2. Trade date 8/23/04 thru 9/30/04 complete with Initial Resettlement data, using estimated eligible costs.


Austin $0.17

Corpus $0.00

Houston $0.38

San Antonio$0.40

South $0.64

Valley $1.11

West $0.16

Wind $0.16

DFW $2.67

North $2.43

Total: $8.12 Million

Mill

ion

$Total Local Congestion Costs by Area

September 2004

$0.41

$0.01

$3.20 $3.27

$0.18$1.05

LBE-operate at or below a level

LBE-operate at or above a level

LBE-hold at a level

Manual OOME DN

Manual OOME UP

OOMC

Total Local Congestion Costs by Instruction Type (in Million $)September 2004

PAGE 32 OF 35


PAGE 33 OF 35

0.0

0.2

0.4

0.69/

1

9/2

9/3

9/4

9/5

9/6

9/7

9/8

9/9

9/10

9/11

9/12

9/13

9/14

9/15

9/16

9/17

9/18

9/19

9/20

9/21

9/22

9/23

9/24

9/25

9/26

9/27

9/28

9/29

9/30

Total $4.9 Million

Local Congestion Cost for EnergySeptember 2004

Mill

ion

$

DN Payment for Aggregated Units for Both Manual and LBE Deployment

UP Payment for Aggregated Units for Both Manual and LBE Deployment DN Payment for LBE Deployment without Market Solution

UP Payment for LBE Deployment without Market Solution

DN Payment for Manual OOME Deployment

UP Payment for Manual OOME Deployment

DN Payment for LBE Deployment with Market Solution UP Payment for LBE Deployment with Market Solution


PAGE 34 OF 35

-1

0

1

2

3

4

59/

1/04

9/2/

04

9/3/

04

9/4/

04

9/5/

04

9/6/

04

9/7/

04

9/8/

04

9/9/

04

9/10

/04

9/11

/04

9/12

/04

9/13

/04

9/14

/04

9/15

/04

9/16

/04

9/17

/04

9/18

/04

9/19

/04

9/20

/04

9/21

/04

9/22

/04

9/23

/04

9/24

/04

9/25

/04

9/26

/04

9/27

/04

9/28

/04

9/29

/04

9/30

/04

Mill

ions

$

DBES UBESLBES/OOME OOMCRMR A/S

Cost Summary(Total w DBES: $ 80.84 Total w/o DBES: $ 94.88)

Note: 1. DBES cost is a credit to system costs and therefore is shown as a negative number here to differentiate it from the other types of Reliability Costs. 2. BES deployment costs include two parts: the cost for Power Balance and the cost for CSC Congestion. Due to Relaxed Balanced Schedule, the cost paid for Power Balance covers both the difference between ERCOT load forecast and QSE's schedule and the difference between QSE's Relaxed scheduled load and the load it would schedule should RBS were not allowed. The cost for Power Balance is not further divided accordingly because currently we do not have a way to differentiate these two types of Power Balance costs.


PAGE 35 OF 35

Please contact Shuye Teng at 512-248-3998 or email at [email protected] should you have any questions.

mailto:[email protected]

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