Utilities Commission City of New Smyrna Beach Florida

Utilities Commission , City of New Smyrna Beach, Florida Electric Utility Master Plan Update March 20, 2017 Contact Info Ed Wisser, Project Manager 3970 Hendricks Avenue Jacksonville, Fla. 904/398 -8636 ed@fwilson. com 1

Electric Utility Master Plan Scope § It is prudent utility practice for a utility system to be reviewed periodically for performance § The task included: ─ Analysis over a 10 -year planning period ─ Normal Loading conditions ─ Single Contingency conditions 2

Electric Utility Master Plan Scope § The task recognized: ─ System configuration changes and improvements ─ Shifts in load growth patterns § The task analyzed: ─ Present load level ─ Two future load levels 3

Overview / Historical Load § System: ─ Three substations- Airport, Field Street, Smyrna ─ Five power transformers ─ Firm emergency rating 120 MVA § Historical Load: ─ 88 MW in 2006 to 101 MW in 2016 ─ 400 million k. Wh in 2006 to 441 million k. Wh in 2016 ─ Relatively flat 2006 through 2014 4

Load Projections § System: ─ Forecast 1 (lower) 1. 0% Growth • to 105 MW in 2025 ─ Forecast 2 (higher) 3. 0% Growth • to 128 MW in 2025 § Transformers and Feeders: ─ Forecast 1 • 2. 6% for Smyrna, 0. 53% for Airport and Field St ─ Forecast 2 • 6. 3% for Smyrna, 2. 1% for Airport and Field St 5

Analysis – Normal Loading with Growth § Loads above 100%: ─ 2015 • no issues ─ 2025 Forecast 1 • no issues ─ 2025 Forecast 2 • • 6 Airport Sub transformer (Project 5. 4. 1) Smyrna Sub transformer (Project 5. 3. 1) Field Street Line 25 (Project 5. 4. 3) Smyrna Line 12 (Project 5. 4. 4)

Analysis – Single Contingency § Feeder Contingency Loads above 100%: ─ Airport Line 16 (Project 5. 4. 2) ─ Field Street Line 7 (Project 5. 5. 5) ─ Field Street Line 26 (Project 5. 5. 2) ─ Airport Line 17 (Project 5. 5. 1) ─ Smyrna Line 11 (Project 5. 5. 4) § T-Line and Transformer Contingencies ─ Smyrna to Field St circuit (Project 5. 2. 1 and 5. 2. 2) ─ Smyrna Sub transformer (Project 5. 3. 1) 7

Recommendations / Program of Improvements § Identified by Timing: ─ Short-Term (< 5 years) ─ Medium-Term (5 to 10 years) ─ Long-Term (10 years +) § Identified by Type and Priority: ─ Growth-driven project ─ Capital project ─ Combination Growth / Capital project ─ Priorities 1, 2, 3 within each Type 8

Recommendations / Program of Improvements § T-Line Contingency Recommended Option: ─ Tap the Airport 115 k. V circuit, construct second pole line into Field Street, approx 2. 4 miles (Project 5. 2. 1, $2. 00 M, 100% Capital) ─ Expand 115 k. V portion of Field Street Sub for new line terminal (Project 5. 2. 2, $891 k, 100% Capital) § Smyrna Add Capacity Recommended Option: ─ Procure two new substation power transformers and five new distribution feeder circuit breakers ─ Expand reconfigure distribution portion of Smyrna Sub (Project 5. 3. 1, $3. 88 M, 75% Growth 25% Capital) 9

Recommendations / Program of Improvements § Four Short-Term Priority 1 (High) Distribution Projects § Five Short-Term Priority 2 (Medium) Distribution Projects § Four Medium-Term Distribution Projects § Five Long-Term Distribution Projects 10

Recommendations / Program of Improvements § Growth Projects Project ID Load Level Priority 5. 4. 4 Short-Term Priority 1 11 Project Description Smyrna Line 12 Split and Serve From New Transformer Budgetary Cost $276, 500

Recommendations / Program of Improvements § Capital Projects Project ID Load Level Priority 5. 2. 1 Short-Term Priority 2 Second 115 k. V Transmission Tie to Field Street Option 3 5. 2. 2 Short-Term Priority 2 Field Street Sub Additions for Second 115 k. V T-Line $891, 000 5. 4. 1 Short-Term Priority 1 Airport Line 16 Transfer Load to Field Street Line 4 < $10, 000 5. 4. 2 Short-Term Priority 1 Airport Line 16 Rebuild #1/0 CU Dixie Hwy $135, 000 5. 4. 3 Short-Term Priority 1 Field Street Line 25 Transfer Load to Line 3 $21, 000 5. 7. 2 Long-Term Priority 1 Field Street Line 25 Rebuild Along Saxon Dr $238, 400 5. 7. 3 Long-Term Priority 2 Airport Line 16 Rebuild #4/0 CU Dixie Hwy $315, 300 5. 7. 4 Long-Term Priority 2 Airport Line 17 Replace UG along Sunset Dr $522, 100 5. 7. 5 Long-Term Priority 2 Smyrna Line 11 Rebuild Along SR-44 East of I-95 $383, 100 12 Project Description Budgetary Cost $1, 998, 000

Recommendations / Program of Improvements § Combination Projects Project ID Load Level Priority 5. 3. 1 Short-Term Priority 1 Smyrna Sub Add Transformer Capacity Option 2 5. 5. 1 Short-Term Priority 2 Airport Line 17 Rebuild with 652 AAAC $641, 000 5. 5. 2 Short-Term Priority 2 Field Street Line 26 Rebuild Along Findley and Old Mission $472, 400 5. 5. 3 Short-Term Priority 2 Airport Line 15 and Smyrna Line 12 Rebuild Along Pioneer Trail $174, 300 5. 5. 4 Short-Term Priority 2 Smyrna Line 11 Rebuild Along SR-44 West of I-95 $46, 700 5. 5. 5 Short-Term Priority 2 Field Street Line 7 Rebuild Along Canal and Milford $162, 500 5. 6. 1 Medium-Term Priority 3 Field Street Line 7 Rebuild Along Mary Avenue $137, 300 5. 6. 2 Medium-Term Priority 3 Field Street Line 4 Rebuild Along Julia Street $122, 900 5. 6. 3 Medium-Term Priority 3 Field Street Line 4 Replace UG Along Dixie Hwy $485, 500 5. 6. 4 Medium-Term Priority 3 Airport Line 15 Rebuild along Wayne Ave $156, 200 5. 7. 1 Long-Term Priority 3 Schoolway Line 14 Convert Load to 23 k. V $30, 000 13 Project Description Budgetary Cost $3, 883, 000

Recommendations / Program of Improvements § SUMMARY Growth Short-Term Projects Priority 1 $3, 188, 750 $1, 136, 750 $4, 325, 500 Short-Term Projects Priority 2 $748, 450 $3, 637, 450 $4, 385, 900 Medium-Term Projects $450, 950 Long-Term Projects Total 14 Capital Total $450, 950 $901, 900 $15, 000 $1, 473, 900 $1, 488, 900 $4, 403, 150 $6, 699, 050 $11, 102, 200

Electric Utility Master Plan Update § Questions? 15