SOUTH RIVER EMC | ARIESPRO...SREMC US Total State Grouping 3.00 4.00 5.00 6.00 7.00 8.00 9.00 2012...

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SOUTH RIVER EMC | ARIESPRO



Advanced Predictive Analytics

On Demand Agile

Visualization

Enterprise Business

Intelligence

Key Systems Integration

Real-time Platform


- CVR/VVO - Phase Balancing - Sub/Feeder Balancing

- Line/Load Loss- Fault Circuit- Asset Maintenance

- Load Balancing- Transformer Overload

C & I

Residential

Residential

- Energy Theft /Diversion- Billing Accuracy - Street Lights


Technical Losses

Non-technical Losses

Unbilled Revenue Losses

Billing & Admin Errors

Unmetered Loads/Streetlights

MV/LV Theft

Phase/Feeder Imbalance

Transformer Core Loss/Overload

Distribution Losses/Sub-Feeder

Line Loss/Capacitor Banks Placements


Serves ~43k+ members in Harnett, Cumberland, Sampson, Johnson and

Bladen counties in NC

Just over 4,569 miles of energized distribution & transmission lines

30 Substations, ~44k + meters

Headquartered in Dunn, NC (40 miles SE of Raleigh, NC)


2017

Build Distribution Loss Reports

Perform Data Validation

Begin Dist System Analysis

Complete Capacitor Placement Study

Fund Loss Reduction Work

Address Worse Case Losses

Build Trans & Substation Reports

Pursue Other Integrations

2018


May 1 Sept 1 Nov 1

Data Collection Go Live Data Validated Completed

June July Aug Sept Oct Nov DecMay

Data ValidationData Integration System Analysis


1. Found Recloser CTs wired backwards on one feeder breaker2. Found several TWACS CTs with broken wires3. Found 947 feeder discrepancies (meters) between AMI and GIS4. Found 354 meters not in GIS (non-temp services)5. FORM6 – Energy values flat-lining & other accumulation errors6. Found failed daily interval reads greatly affected Transformer

Reports


Source: 2016 Key Ratio Trend Analysis

SREMC

US Total

State Grouping3.00

4.00

5.00

6.00

7.00

8.00

9.00

20122013

20142015

2016

Perc

ent L

oss

Five Year Cooperative System Losses - KRTA

SREMC US Total State Grouping

Ave 7.2%

Ave 5.9%

Ave 5.5%

System Loss ReductionTechAdvantage, March 6 2014Leidos


0

5

10

15

20

25

30

Jan-

16

Feb-

16

Mar

-16

Apr-1

6

May

-16

Jun-

16

Jul-1

6

Aug-

16

Sep-

16

Oct

-16

Nov

-16

Dec-

16

Jan-

17

Feb-

17

Mar

-17

Apr-1

7

May

-17

Jun-

17

Jul-1

7

Aug-

17

Sep-

17

Oct

-17

Nov

-17

2016-2017 FORM7 Percent System Loss

Syst

em L

osse

s by

%


0

2

4

6

8

10

12

may jun jul aug sept oct nov dec jan

Perc

ent L

osse

s %System Losses by %

BI Report LossesFORM7 Losses

Note: BI Report Losses includes 1.5% addition to account for Transmission & Substation Losses

Data Validation Completed

Data Validation

Distribution Loss Reports will be more accurate than FORM7 Loss statistics


0

2

4

6

8

10

12Pe

rcen

t %

Station Losses by Percent%


Pri miles Sec miles Tot Miles Substation # Xfmr # Memb % Loss kwh loss kwh tot % Savings kwh Savings $$ Savings

162.9 111.8 274.7 Fisher 1697 2829 7.77 723270 9308494.2 2.77 257845 $17,53377.8 53.9 131.7 Olde Farm 874 2287 7.23 576371 7971936.4 2.23 177774 $12,089

141.4 54.8 196.2 Piney Green 1269 1436 8.88 314345 3539921.2 3.88 137349 $9,340137.8 41.3 179.1 South River 901 967 9.48 275982 2911202.5 4.48 130422 $8,869

82.0 35.3 117.3 Halls 717 841 9.66 261254 2704492.8 4.66 126029 $8,570143.2 77.6 220.8 Cape Fear 1283 1694 7.34 373220 5084741.1 2.34 118983 $8,091113.6 49.5 163.2 Harrington 1157 1369 7.31 292439 4000533.5 2.31 92412 $6,284107.6 51.5 159.1 Roseboro 986 1198 7.45 276522 3711704.7 2.45 90937 $6,184105.6 41.9 147.5 Erwin 842 1103 7.57 238835 3155019.8 2.57 81084 $5,514

86.4 64.2 150.6 Anderson Creek 1061 1983 6.42 393634 6131370.7 1.42 87065 $5,920

Target Loss = 5.0%

Nov 1 – Dec 28

Station View

BI Order

FisherOld FarmButlerAnd CrkCape FearH JacksonGrays CreekPiney GreenHarringtonVander

1. Choose a target Loss %2. Determine kwh savings if Loss % is achieved.


FEEDER DIST LOSS % KWH LOSS KWH TOT % SAV KWH SAV $$ SAV

MAXWELL RD 10.57 270982 2563690 5.57 142798 $10,281.42FAIRCLOTH BR 9.25 118909 1285503 4.25 54634 $3,933.64PINEY GREEN 9.23 110031 1192102 4.23 50426 $3,630.67242/AMMON 9.20 106214 1154500 4.20 48489 $3,491.21LEROY AUTRY 10.38 77823 749740 5.38 40336 $2,904.19HOWARD RD 8.84 97196 1099502 3.84 42221 $3,039.90REBEL CITY 9.59 76607 798822 4.59 36666 $2,639.95MINNIE HALL 9.68 54975 567924 4.68 26579 $1,913.68S RIVER UBLD 9.03 60065 665172 4.03 26806 $1,930.06REYNOLD X-RD 8.12 75397 928534 3.12 28970 $2,085.86GARLAND 8.29 57558 694306 3.29 22843 $1,644.67SALEMBURG 8.44 52310 619787 3.44 21321 $1,535.09CARROLL STOR 10.88 31260 287316 5.88 16894 $1,216.38OAKGROVE CH 8.67 41221 475444 3.67 17449 $1,256.31DON ROYAL 7.32 59506 812923 2.32 18860 $1,357.91ELWOOD AUTRY 6.69 88397 1321330 1.69 22330 $1,607.79MURPHY RD 5.06 144256 2850909 0.06 1711 $123.16

Target Loss = 5.0%

Nov 1 – Dec 28

Feeder View

Loss Reduction

1. Eval LED Lighting2. Phase Balance

3. Tree Maint4. Eval Volt Opt

5. Pf Corr vs conductor upgrade


1. KWh Savings for each feeder projected out to 12 months.

2. Target Loss = 5.0% for each feeder currently exceeding 5%.

3. MWh annual savings estimated = 12,940 MWh

4. Annual $ savings estimated = $727,500

5. Equates to roughly 1.55% reduction in Total Distribution

System Losses


temp

01020304050607080

Dec 29 – Jan 20System wide transformers

Temperature

MW Peak (x 0.25)

Sys Peak MW

Temp


temp

01020304050607080


Temperature

MW Peak (x 0.25)

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

% L

oss

Dist Loss %

Xfmr Loss %

Sys Peak MW

Dist Loss %

Xfmr Loss %

Temp

Winter Peak


temp

01020304050607080


Temperature

MW Peak (x 0.25)

MWh Loss x 0.25

Sys Peak MW

Mwh Loss

Temp


60

80

100

120

140

160

180

0% 5% 10% 15% 20% 25% 30% 35% 40% 45%

Impact on Phase Imbalance on Losses

% Imbalance

kW L

osse

s

Systems Loss Reduction: Hakan Leidos, Joni Leidos, Mark Scheibe; TechAdvantage, March 6, 2014

Loss Modeling:

1. Loads allocated as balanced

2. Re-allocated as unbalanced in 5%

increments

%Imb = ((Max amps – ave amps)/ ave amps) x100

Loss WindMill Calc Ave% Loss % Imb % Loss % Imb % Diff kW Savings kW Sav

Collier UB 4.54 32.5 3.45 15.2 31.6% 14 33

Raven Rock 6.87 19.3 6.49 3.4 5.9% 3 16

Pine Forest 3.38 25 3.48 19.1 -2.9% 0 -

Before After


1. Lighting represents 25% of our distribution losses

2. Lighting represents 1.7% of total kWh

Pre-LED

1. Lighting will represent 6% of our distribution losses

2. Lighting will represent 0.4% of total kWh

Post-LED

Security Lights Only

17,671 - 175W MV2,710 - 100W HPS28,615 - Total # of Lights3.08 Yr - Payback$1.3M/Yr – Savings (En & Maint)

Expected Loss % Savings = 1.3%

(Based on10 hr ave per night burning)


Transformers

Xfmr Losses

No. Members

MWh Total

MWh Losses

Ave Cons / Xfmr

% Xfmr Losses

Ave Line Miles

% Dist Sys Losses

1.0 1.5 2.91.6

18684

1187.5 MWh

22383

52531

3493

1.2

2.18

140

6.65

10043

1125.3 MWh

21086

50900

2825

2.1

2.14

171

5.55

Consumers / Transformer ( Sys Ave = 1.5)


2.00

4.00

6.00

8.00

10.00

12.00

14.00

Chart Title

manchester River Rd Raven Rock Tom Star FB Pine For

1/0 ACSRLkWh = 98,417Loss% = 8.23Loss$ = 6,984kW = 2,161

1/0 ACSRLkWh =57,390Loss% = 8.1Loss$ = 4,081kW = 1,364


556 ACSRLkWh = 138,068Loss% = 4.9Loss$ = 9,838kW = 5,802


336 ACSRLkWh = 94,681Loss% = 4.5Loss$ = 6,731kW = 4,300

1/0 ACSR

336 ACSR

% L

oss


1. Meters showing up on Low Voltage Report

2. 110-112V

3. 75 kVA Transformer

4. 8 Members

5. 2500-2800 sq ft homes

6. All electric

7. Temperature = 40


40

% Loaded


6 hrs


1. Meters showing up on Low

Voltage Report

2. 110V

3. 15 kVA Transformer

4. 1 Member

5. 3850 sq ft home

6. All electric

7. Temperature = 40


1. Detailed data analytics adds a new

dimension to engineering study;

2. Provides opportunity to save $$ and

quantify those savings in the design

and operation of an electric system;

3. It is the NOW!


1. EIA: Energy Information Association

2. KRTA – Key Ratio Trend Analysis

3. System Loss Reduction: Leidos. TechAdvantage 2014

4. Evaluating Distribution Losses Using Data from AMI and GIS Systems;

Jeff Triplett, Stephen Rinell, Jim Foote

SOUTH RIVER EMC | ARIESPRO...SREMC US Total State Grouping 3.00 4.00 5.00 6.00 7.00 8.00 9.00 2012...

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Transcript of SOUTH RIVER EMC | ARIESPRO...SREMC US Total State Grouping 3.00 4.00 5.00 6.00 7.00 8.00 9.00 2012...