1. RETAIL RATE REVISIONS August 1, 2015 Presented By:

2. Tariff Residential Services – Farm and Home General Services – Small and Irrigation General Services – Large and Irrigation Residential Services – Time of Day Residential Services – Large Residential General Services – Small and Irrigation – Time of Day General Services – Primary Voltage General Services – Totalized Multiple Meter General Services – Security and Street Lighting Page 3 4 5 6 7 8 9 10

3. 3 RETAIL RATE REVISIONS Residential Services – Farm and Home Rate codes: 1, 3, 5, 8, 21, 23, 25, 28 Line No Rate Structure Present Revised Change Percent (a)(b)(c)(d)(e)(f) 1Consumer Charge$6.50$7.75$1.2519.2% 2Minimum Bill*$12.65 $0.000.0% 3Energy Charge$0.09531$0.09975$0.004444.7% 4PCA/ECA Charge$0.00635$0.00000($0.00635)-100.0% 5Annual Revenue Impact($379,682)-0.6% Bill change examples kWh Usage Present Amount Revised Amount Difference AmountPercent 0$12.65 $0.000.0% 50$12.65$12.74$0.090.7% 500$57.33$57.63$0.300.5% 1,000$108.16$107.50($0.66)-0.6% 1,500$158.98$157.38($1.61)-1.0% 2,000$209.81$207.25($2.56)-1.2% 3,000$311.47$307.00($4.47)-1.4% 4,000$413.12$406.75($6.37)-1.5% Bill calculation: 1,000 kWh used PresentRevised Consumer Charge$6.50$7.75 Energy Charge$95.31$99.75 PCA Charge$6.35$0.00 Calculated Total$108.16$107.50 Change:($0.66)-0.6% *The minimum bill is the Consumer Charge for net metered customers (denoted by an “N” following any of the above rate codes)

4. 4 RETAIL RATE REVISIONS General Services - Small Rate codes: 40, 42, 50, 51, 52, 58 *The minimum bill is the Consumer Charge for net metered customers (denoted by an “N” following any of the above rate codes) Line No Rate Structure Present Revised Change Percent (a)(b)(c)(d)(e)(f) 1Consumer Charge$10.50$11.75$1.2511.9% 2Minimum Bill*$19.20 $0.000.0% 3Energy Charge$0.08737$0.09079$0.003423.2% 4PCA/ECA Charge$0.00635$0.00000($0.00635)-100.0% 5Annual Revenue Impact($388,403)-2.2% Bill change examples kWh Usage Present Amount Revised Amount Difference AmountPercent 0$19.20 $0.000.0% 50$19.20 $0.000.0% 500$57.36$57.15($0.21)-0.4% 1,000$104.22$102.54($1.68)-1.6% 2,000$197.93$193.33($4.60)-2.3% 3,000$291.65$284.12($7.53)-2.6% 4,000$385.36$374.91($10.45)-2.7% 5,000$479.08$465.70($13.38)-2.8% Bill calculation: 1,000 kWh used PresentRevised Consumer Charge$10.50$11.25 Energy Charge$87.37$90.79 PCA/ECA Charge$6.35$0.00 Calculated Total$104.22$102.54 Change:($1.68)-1.6%

5. 5 RETAIL RATE REVISIONS General Services – Large and Irrigation Rate codes: 41, 62, 63, 64 Line No Rate Structure Present Revised Change Percent (a)(b)(c)(d)(e)(f) 1Consumer Charge$28.00 $0.000.0% 2Demand Charge$6.83$6.11($0.72)-10.5% 3Energy Charge$0.05850$0.06485$0.0063510.9% 4PCA/ECA Charge$0.00635$0.00000($0.00635)-100.0% 5Annual Revenue Impact($633,856)-2.2% Bill change example Bill calculation: 80 kW peak demand 30,000 kWh used PresentRevised Consumer Charge$28.00 Demand Charge$546.40$488.80 Energy Charge$1,755.00$1,945.50 PCA/ECA Charge$190.50$0.00 Calculated Total$2,519.90$2,462.30 Change:($57.60)-2.2%

6. 6 RETAIL RATE REVISIONS Residential Services – Time of Day Rate codes: 6 and 26 Line No Rate Structure Present Revised Change Percent (a)(b)(c)(d)(e)(f) 1Consumer Charge$12.50$13.75$1.2510.0% 2 Minimum Charge$18.10 $0.000.0% 3Off-peak Energy Charge$0.06781$0.07290$0.005097.5% 4On-Peak Energy Charge$0.18250$0.18759$0.005092.8% 5PCA/ECA Charge$0.00635$0.00000($0.00635)-100.0% 6Annual Revenue Impact($1,432)-0.7% Bill change example Bill calculation: 1,800 kWh off-peak 400 kWh on-peak PresentRevised Consumer Charge$12.50$13.75 Off-peak Energy Charge$122.06$131.22 On-Peak Energy Charge$73.00$75.00 PCA/ECA Charge$13.97$0.00 Calculated Total$221.53$219.97 Change:($1.56)-0.01%

7. 7 RETAIL RATE REVISIONS Residential Services – Large Rate codes: 4, 24 Line No Rate Structure Present Revised Change Percent (a)(b)(c)(d)(e)(f) 1Consumer Charge$28.00 $0.000.0% 2Demand Charge$5.50$5.32($0.18)-3.3% 3Energy Charge$0.06300$0.06935$0.0063510.1% 4PCA/ECA Charge$0.00635$0.00000($0.00635)-100.0% 5Annual Revenue Impact($36,086)-0.7% Bill change example Bill calculation: 60 kW peak demand 25,000 kWh used PresentRevised Consumer Charge$28.00 Demand Charge$330.00$319.20 Energy Charge$1,575.00$1,733.75 PCA/ECA Charge$158.75$0.00 Calculated Total$2,091.75$2,080.95 Change:($10.80)-0.01%

8. 8 RETAIL RATE REVISIONS General Services – Primary Line No Rate Structure Present Revised Change Percent (a)(b)(c)(d)(e)(f) 1Consumer Charge$23.00 $0.000.0% 2Demand Charge$6.63$5.93($0.70)-10.6% 3Energy Charge$0.05821$0.06456$0.0063510.9% 4PCA/ECA Charge$0.00635$0.00000($0.00635)-100.0% 5Annual Revenue Impact($5,291)-4.9%

9. 9 RETAIL RATE REVISIONS General Services – Totalized Multiple Meter Line No Rate Structure Present Revised Change Percent (a)(b)(c)(d)(e)(f) 1Base Consumer Charge$100.00 $0.000.0% 2Consumer Charge, per meter$28.00 $0.000.0% 3Demand Charge$6.83$6.11($0.72)-10.5% 4Energy Charge$0.05850$0.06485$0.0063510.9% 5PCA/ECA Charge$0.00635$0.00000($0.00635)-100.0% 6 Annual Revenue Impact($10,948)-1.8%

10. 10 RETAIL RATE REVISIONS General Service – Security and Street Lighting No Change to Present Monthly Charges