Corona City Council
November 20, 2024

Katie Hockett
Assistant Director of Utilities
November 20, 2024
2 Approve and implement
proposed water, reclaimed
water, sewer, and greenfield
electric utility rates
 Council Workshop 1 (policy objectives) – May 1, 2024
 Council Workshop 2 (financial plan presentation) – June 5, 2024  Council Workshop 3 (rate structure options) – July 3, 2024  Council Workshop 4 (recommendations) – August 21, 2024  Council Meeting to Receive Report – October 2, 2024
• Rate Hearing – November 20, 2024
3 O&M
Incremental Capital
Improvement
No Debt
RDN Option 3
O&M
Higher annual
contribution to
Capital Improvement
O&M
Fully funded Capital
Improvement
Only O&M
No Capital
Improvement
RDN Option 1
O&M
Incremental Capital
Improvement
Debt Issuance
Planned (if needed)
RDN Option 2 Recommended
4 FY2019 – FY 2024
Electricity – 33.2%
Raw water – 27.4%
Chemicals – 48.9%
Construction materials – 53%
Laboratory Analysis – 29%
These items make up 58.8% of
the budget
Water
Energy purchase costs – 19.2%
Power purchases costs are 77%
of the budget
Electric
All chemicals 83.9%
Bleach 98.4%
Biosolids hauling – 1,101%
Internal service charge – 19.5%
WRCRWA costs – 191.8%
(includes add’l conveyance
capacity)
These items make up 60.3% of
the budget
Sewer
6 Meter Size
Current
Rate FY 2025 FY 2026 FY 2027 FY 2028 FY 2029
5/8" $27.09 $32.79 $35.75 $38.96 $42.47 $46.29
3/4" $36.46 $42.94 $46.80 $51.02 $55.61 $60.61
1" $55.18 $63.23 $68.92 $75.12 $81.88 $89.25
1 1/2" $101.98 $113.94 $124.20 $135.38 $147.56 $160.84
2" $158.13 $174.81 $190.54 $207.69 $226.38 $246.75
3" $335.95 $367.54 $400.62 $436.67 $475.97 $518.81
4" $598.02 $651.56 $710.20 $774.12 $843.79 $919.74
6" $1,505.89 $1,635.51 $1,782.70 $1,943.15 $2,118.03 $2,308.65 8" $2,629.02 $2,852.76 $3,109.51 $3,389.36 $3,694.40 $4,026.90 10" $3,939.33 $4,272.88 $4,657.44 $5,076.61 $5,533.51 $6,031.52 Tier
Current
Rate FY 2025 FY 2026 FY 2027 FY 2028 FY 2029
Tier 1 $1.93 $1.96 $2.13 $2.32 $2.53 $2.76
Tier 2 $2.77 $3.31 $3.60 $3.93 $4.28 $4.67
Tier 3 $5.48 $4.38 $4.77 $5.20 $5.67 $6.18
Tier 4 $9.12 $5.22 $5.69 $6.20 $6.76 $7.36
Tier 5 $13.59
Meter
Size
Current
Rate FY 2025 FY 2026 FY 2027 FY 2028 FY 2029
5/8" $8.60 $12.64 $13.78 $15.02 $16.37 $17.84
3/4" $8.60 $12.64 $13.78 $15.02 $16.37 $17.84
1" $8.60 $12.64 $13.78 $15.02 $16.37 $17.84
1 1/2" $8.60 $13.33 $14.53 $15.84 $17.27 $18.82
2" $9.74 $14.91 $16.25 $17.71 $19.31 $21.05
3" $10.81 $17.63 $19.21 $20.94 $22.83 $24.88
4" $16.76 $27.38 $29.84 $32.53 $35.46 $38.65
6" $32.74 $44.20 $48.18 $52.51 $57.24 $62.39
8" $60.29 $69.50 $75.76 $82.57 $90.01 $98.11
10" $101.72 $104.57 $113.98 $124.24 $135.42 $147.61
Note: Hydrant and fireline consumption billed at Tier 4 variable Budget Factor Current Proposed
Gallons per person per day
Used to calculate Indoor Budget 55 47
Evapotranspiration Area Factor (ETAF)
Used to calculate Outdoor/Irrigation Budget 80% 80%
7 Meter Size Current Rate FY 2025 FY 2026 FY 2027 FY 2028 FY 2029 5/8" $23.52 $26.64 $27.70 $28.81 $29.96 $31.16
3/4" $30.81 $35.95 $37.38 $38.88 $40.43 $42.05
1" $45.39 $54.57 $56.75 $59.02 $61.38 $63.84
1 1/2" $81.84 $101.12 $105.16 $109.37 $113.75 $118.30
2" $125.59 $156.98 $163.26 $169.79 $176.58 $183.65
3" $264.13 $333.88 $347.24 $361.13 $375.57 $390.60
4" $468.28 $594.58 $618.36 $643.10 $668.82 $695.57
6" $1,175.53 $1,497.70 $1,557.61 $1,619.91 $1,684.71 $1,752.10 8" $2,050.48 $2,614.96 $2,719.56 $2,828.34 $2,941.48 $3,059.14 10" $3,071.25 $3,918.44 $4,075.17 $4,238.18 $4,407.71 $4,584.02 Tier
Current
Rate FY 2025 FY 2026 FY 2027 FY 2028 FY 2029
Tier 1 $2.14 $2.37 $2.46 $2.56 $2.66 $2.77
Tier 2 $3.21 $2.60 $2.71 $2.82 $2.93 $3.05
Tier 3 $4.27
Tier 4 $6.41
8 Current
Residential FY 2025 FY 2026 FY 2027 FY 2028 FY 2029
Base charge
(All Connections) $45.60 $45.46 $50.01 $55.01 $60.51 $66.56 Variable charge
(non-residential >8 HCF) N/A $5.50 $6.05 $6.66 $7.32 $8.05 9 Current
Rate FY2025 FY2026 FY2027 FY2028 FY2029
Fixed Charge, $/month
Single Family:
$0.88
Multi-Family: $0.67
$15.90 $16.54 $17.20 $17.89 $18.61
Energy $/kWh Tier 1 Baseline $0.11808 $0.10100 $0.10504 $0.10924 $0.11361 $0.11815 Energy $/kWh Tier 2 101-130% Baseline $0.13741 $0.11100 $0.11544 $0.12006 $0.12486 $0.12985 Energy $/kWh Tier 3 131-200% Baseline $0.22696
$0.21000 $0.21840 $0.22714 $0.23623 $0.24568
Energy $/kWh Tier 4 over 200% Baseline $0.32337
Public Benefits Charge $/kWh Incl. in rates $0.00378 $0.00405 $0.00419 $0.00433 $0.00448 10 FY2025 FY2026 FY2027 FY2028 FY2029
Energy Charge - $/kWh/Meter/Month $0.11678 $0.12145 $0.12631 $0.13136 $0.13661 Customer Charge - $/Meter/Month $10.26 $10.67 $11.10 $11.54 $12.01 Public Benefits Charge $/kWh $0.00378 $0.00405 $0.00419 $0.00433 $0.00448 11 FY2025 FY2026 FY2027 FY2028 FY2029
Energy Charge $/kWh/Meter/Month $0.15500 $0.16120 $0.16765 $0.17436 $0.18133 Customer Charge - $/Meter/Month $20.97 $21.81 $22.68 $23.59 $24.53 Three Phase Service - $/Month* $3.16 $3.29 $3.42 $3.56 $3.70 Public Benefits Charge $/kWh $0.00378 $0.00405 $0.00419 $0.00433 $0.00448 *Cost for Three Phase customer will include Single Phase rate plus Three Phase rate. 12 FY2025 FY2026 FY2027 FY2028 FY2029
Energy Charge - $/kWh/Meter/Month $0.05905 $0.06141 $0.06387 $0.06642 $0.06908 Customer Charge - $/Meter/Month $35.13 $36.54 $38.00 $39.52 $41.10 Demand Charge - $/kW of Billing
Demand/Meter/Month
Facilities Related $15.74 $16.37 $17.02 $17.70 $18.41
Time Related (Peak)
(4:00 p.m. to 9:00 p.m. year-round) $8.27 $8.60 $8.94 $9.30 $9.67 Public Benefits Charge -
$/kWh/Meter/Month $0.00378 $0.00405 $0.00419 $0.00433 $0.00448 13 FY2025 FY2026 FY2027 FY2028 FY2029
Energy Charge - $/kWh/Meter/Month $0.11678 $0.12145 $0.12631 $0.13136 $0.13661 Customer Charge - $/Meter/Month $10.26 $10.67 $11.10 $11.54 $12.01 Public Benefits Charge $/kWh $0.00378 $0.00405 $0.00419 $0.00433 $0.00448 14 FY2025 FY2026 FY2027 FY2028 FY2029
Energy Charge - $/kWh/Meter/Month $0.16345 $0.17598 $0.18994 $0.20852 $0.23192 Customer Charge - $/Meter/Month $13.91 $14.47 $15.05 $15.65 $16.28 Three-Phase Service - $/Month $4.64 $4.82 $5.02 $5.22 $5.43 Public Benefits Charge $/kWh $0.00378 $0.00405 $0.00419 $0.00433 $0.00448 *Cost for Three Phase customer will include Single Phase rate plus Three Phase rate. 15 FY2025 FY2026 FY2027 FY2028 FY2029
Energy Charge - $/kWh/Meter/Month
Summer Season – On-Peak $0.09620 $0.10005 $0.10405 $0.10821 $0.11254 Mid-Peak $0.07280 $0.07571 $0.07874 $0.08189 $0.08517
Off-Peak $0.05200 $0.05408 $0.05624 $0.05849 $0.06083
Winter Season – Mid-Peak $0.07986 $0.08305 $0.08637 $0.08982 $0.09341 Off-Peak $0.05200 $0.05408 $0.05624 $0.05849 $0.06083
Customer Charge - $/Meter/Month $49.30 $51.27 $53.32 $55.45 $57.67 Demand Charge - $/kW of Billing
Demand/Meter/Month
Facilities Related $17.51 $18.21 $18.94 $19.70 $20.49
Time Related (Peak)
(4:00 p.m. to 9:00 p.m. year-round) $8.29 $8.62 $8.96 $9.32 $9.69 Power Factor Adjustment - $/KVA $0.18000 $0.18720 $0.19469 $0.20248 $0.21058 Public Benefits Charge $/kWh $0.00378 $0.00405 $0.00419 $0.00433 $0.00448 16 Jan 2025 July 2025 FY2026 FY2027 FY2028 FY2029
Energy Charge - $/kWh/Meter/Month
Summer Season – On-Peak $0.10361 $0.10361 $0.09444 $0.09822 $0.10215 $0.10624 Mid-Peak $0.07874 $0.07874 $0.07178 $0.07465 $0.07764 $0.08075 Off-Peak $0.05595 $0.05595 $0.05100 $0.05304 $0.05516 $0.05737 Winter Season – Mid-Peak $0.08592 $0.08592 $0.07832 $0.08145 $0.08471 $0.08810 Off-Peak $0.05595 $0.05595 $0.05100 $0.05304 $0.05516 $0.05737 Customer Charge - $/Meter/Month $19.14 $19.14 $20.86 $21.69 $22.56 $23.46 Demand Charge - $/kW of Billing
Demand/Meter/Month
Facilities Related $8.00 $10.00 $21.55 $22.41 $23.31 $24.24 Time Related (Peak)
(4:00 p.m. to 9:00 p.m. year-round) $6.00 $12.00 $12.98 $13.50 $14.04 $14.60 Power Factor Adjustment - $/KVA $0.18000 $0.18000 $0.18720 $0.19469 $0.20248 $0.21058 Public Benefits Charge $/kWh $0.00378 $0.00378 $0.00405 $0.00419 $0.00433 $0.00448 17 FY2025 FY2026 FY2027 FY2028 FY2029
Energy Charge - $/kWh/Meter/Month
Summer Season – On-Peak $0.09630 $0.10015 $0.10416 $0.10833 $0.11266 Mid-Peak $0.07319 $0.07611 $0.07915 $0.08232 $0.08561
Off-Peak $0.05200 $0.05408 $0.05624 $0.05849 $0.06083
Winter Season – Mid-Peak $0.07986 $0.08305 $0.08637 $0.08982 $0.09341 Off-Peak $0.05200 $0.05408 $0.05624 $0.05849 $0.06083
Customer Charge - $/Meter/Month $76.97 $80.05 $83.25 $86.58 $90.04 Demand Charge - $/kW of Billing
Demand/Meter/Month
Facilities Related $15.06 $15.66 $16.29 $16.94 $17.62
Time Related (Peak)
(4:00 p.m. to 9:00 p.m. year-round) $8.31 $8.64 $8.99 $9.35 $9.72 Power Factor Adjustment - $/KVA $0.18000 $0.18720 $0.19469 $0.20248 $0.21058 Public Benefits Charge $/kWh $0.00378 $0.00405 $0.00419 $0.00433 $0.00448 18 FY2025 FY2026 FY2027 FY2028 FY2029
Energy Charge - $/kWh/Meter/Month
On-Peak 4:00 p.m. to 9:00 p.m. $0.19710 $0.20498 $0.21318 $0.22171 $0.23058 Off-Peak (All Other Hours) $0.06570 $0.06833 $0.07106 $0.07390 $0.07686 Customer Charge - $/Meter/Month $76.97 $80.05 $83.25 $86.58 $90.04 Demand Charge - $/kW of Billing
Demand/Meter/Month $15.06 $15.66 $16.29 $16.94 $17.62
Power Factor Adjustment - $/KVA $0.18000 $0.18720 $0.19469 $0.20248 $0.21058 Public Benefits Charge $/kWh $0.00378 $0.00405 $0.00419 $0.00433 $0.00448 • Second Reading – December 4, 2024
• Rate Implementation – January 3, 2025
• Bill insert reminder about rate changes – January/February • Bills with new rates begin arriving – mid February
19 20
Approve and implement
proposed water, reclaimed
water, sewer, and greenfield
electric utility rates
21