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EPB (Chattanooga) rates

EPB has 3 residential plans modeled here. For a typical Tennessee home using 1,198 kWh a month, the cheapest plan open to any household is RS, at about $154 a month.

Municipal 164,417 residential customers (EIA-861, 2024) Tariffs checked September 28, 2026

Typical all-in priceRS

12.8¢/kWh
RS$154/mo
TRS$156/mo
NRS$157/mo

Prices include TVA's September 2026 fuel cost adjustment; it drops from $0.02535 to $0.02164/kWh on October 1, 2026.

Residential plans

PlanTypeFixed/moJuly pricesJanuary pricesJuly weekday windows
RS
EPB Base Rate Plan
Flat $9.81 12.0¢ all hours 12.0¢ all hours None
TRS
EPB Time Shift Rate Plan
Time-of-use $9.81 Off-peak 10.6¢ · Peak 20.3¢ Off-peak 10.6¢ · Peak 20.3¢ Peak 3 pm–7 pm
NRS
EPB Night Shift Rate Plan
Time-of-useEV $9.81 Off-peak 8.8¢ · Peak 13.1¢ Off-peak 8.8¢ · Peak 13.1¢ Peak 5 am–11 pm

TRS: price by hour

July weekday. Summer pricing Apr–Oct; winter Nov–Mar.

Off-peakPeak
10.6¢20.3¢10.6¢12a3a6a9a12p3p6p9p12a

NRS: price by hour

July weekday. Same pricing all year.

Off-peakPeak
8.8¢13.1¢8.8¢12a3a6a9a12p3p6p9p12a

EPB peak hours and cheapest times

What are EPB’s peak hours?

It depends on the plan. TRS: Peak 3 pm–7 pm, on weekdays, in summer (in winter: Peak 6 am–10 am); weekends: off-peak all day. NRS: Peak 5 am–11 pm, every day, all year. Hours are local clock time.

When is electricity cheapest on EPB?

On summer weekdays the lowest price is TRS: 7 pm–3 pm next day at 10.6¢/kWh, against 20.3¢ at the peak; NRS: 11 pm–5 am next day at 8.8¢/kWh, against 13.1¢ at the peak. RS charges the same price at every hour.

Which EPB plan is cheapest?

For a typical Tennessee home using 1,198 kWh a month, RS at about $154 a month (12.8¢/kWh all-in, before taxes). With an EV charged at its cheapest hour, NRS gives the lowest total.

Charging an EV on EPB

1,000 miles a month in a Tesla Model Y Long Range AWD (275 kWh from the wall, EPA 27.5 kWh/100 mi) at 7.2 kW, added to a typical Tennessee home’s use, on each plan’s cheapest start hour versus plugging in at 6 pm. Averaged over the year.

PlanBest startCharging, best startCharging from 6 pmWhole bill with EV
RSAny$33/mo$33/mo$187/mo
TRS12 am$29/mo$38/mo$185/mo
NRS12 am$24/mo$36/mo$181/mo

With an EV charged at its best hour, the cheapest plan overall is NRS. Compare plans on your own usage.

Cost to charge each EV on EPB NRS

1,000 miles a month at 7.2 kW, starting at 12 am, the plan’s cheapest hour, added to a typical Tennessee home’s bill. Full charge: the EPA range, at the plan’s lowest price (8.8¢/kWh). EPA efficiency, from the wall.

ModelkWh/100 mi1,000 mi a monthFull charge
Lucid Air Pure (2027)23.1$20/mo$8.58
Tesla Model Y Standard RWD (2026)24.3$21/mo$6.90
Tesla Model 3 Standard RWD (2026)24.3$21/mo$6.90
Tesla Model 3 Premium RWD (2026)24.6$22/mo$7.89
Toyota bZ (2027)25.5$23/mo$7.08
Hyundai Ioniq 6 RWD (2025)26$23/mo$7.86
Tesla Model S (2026)27.1$24/mo$9.82
Tesla Model Y Long Range AWD (2026)27.5$24/mo$7.95
Nissan Leaf 75 kWh (2026)27.8$25/mo$7.45
Chevrolet Bolt (2027)28.2$25/mo$6.53
BMW i4 eDrive40 (2026)28.5$25/mo$8.39
Kia EV3 Long Range FWD (2027)29$26/mo$8.23
Volvo EX30 Single Motor (2026)29.2$26/mo$6.74
Kia EV6 Long Range RWD (2026)29.6$26/mo$8.35
Volkswagen ID.4 (2026)29.8$26/mo$7.67
Hyundai Ioniq 5 RWD (2027)30$27/mo$8.43
Ford Mustang Mach-E RWD Extended Range (2026)30.7$27/mo$8.69
Chevrolet Equinox EV FWD (2027)31.1$27/mo$8.77
Tesla Model X (2026)32.2$28/mo$10.02
Chevrolet Blazer EV FWD (2027)32.3$29/mo$8.91
Honda Prologue FWD (2026)32.5$29/mo$8.85
Nissan Ariya FWD 87 kWh (2026)34.4$30/mo$8.79
Cadillac Lyriq RWD (2027)36.8$33/mo$10.61
Hyundai Ioniq 9 AWD (2027)38$34/mo$10.75
Kia EV9 Long Range RWD (2026)38$34/mo$10.25
Tesla Cybertruck AWD (2026)42.9$38/mo$12.33
Rivian R1S Premium (2027)42.9$38/mo$11.38
Rivian R1T Premium (2027)42.9$38/mo$11.38
Chevrolet Silverado EV Extended Range WT (2026)47.8$42/mo$17.92
Ford F-150 Lightning Extended Range (2025)47.9$42/mo$13.55

How EPB’s plans work

RS (EPB Base Rate Plan). One price per kWh at every hour, all year: 12.0¢. Shifting use to other hours changes nothing on this plan; using less is the only lever. Fixed charge: $9.81 a month.

TRS (EPB Time Shift Rate Plan). Peak 3 pm–7 pm on July weekdays; 4 of 24 hours carry the top price of 20.3¢. The cheapest July weekday hour costs 10.6¢, so moving 1 kWh out of the top hours saves 9.7¢. January weekdays range from 10.6¢ to 20.3¢. Summer pricing applies Apr–Oct; winter pricing Nov–Mar. Weekends differ: off-peak all day. Fixed charge: $9.81 a month.

NRS (EPB Night Shift Rate Plan). Peak 5 am–11 pm on July weekdays; 18 of 24 hours carry the top price of 13.1¢. The cheapest July weekday hour costs 8.8¢, so moving 1 kWh out of the top hours saves 4.3¢. January weekdays range from 8.8¢ to 13.1¢. Fixed charge: $9.81 a month.

Prices on this page are all-in per kWh, before taxes: base rates, supply and every per-kWh rider in the utility’s current tariff sheets. Your bill shows them as separate lines, and riders can change between tariff revisions.

As a cross-check, EPB billed its residential customers an average of 12.32¢ per kWh in 2024 (revenue ÷ sales, EIA-861). A plan taken from URDB is shown only if its all-in price is consistent with that figure, adjusted for Tennessee’s price change since.

Sources for each plan

PlanEffectiveSeasonsSource and status
RS
Transcribed from the utility’s tariff
September 1, 2026 Same pricing all year Checked September 28, 2026
EPB Base Rate Plan — Schedule RS (effective October 2024) · EPB Energy Rate Information — Fuel Cost Adjustment (October 2026 sheet with 8/1, 9/1 and 10/1/2026 values) · EPB Energy Rates page (how the bill is determined)
TRS
Transcribed from the utility’s tariff
September 1, 2026 Summer pricing Apr–Oct; winter Nov–Mar Checked September 28, 2026
EPB Time Shift Rate Plan — Schedule TRS (effective October 2024) · EPB Energy Rate Information — Fuel Cost Adjustment (October 2026 sheet) · EPB Energy Rates page
NRS
Transcribed from the utility’s tariff
September 1, 2026 Same pricing all year Checked September 28, 2026
EPB Night Shift Rate Plan — Schedule NRS (effective October 2024) · EPB Energy Rate Information — Fuel Cost Adjustment (October 2026 sheet) · EPB Energy Rates page

Plans marked “Checked” were transcribed from the utility’s current tariff and rider sheets, all charges included, and are re-checked on the date shown in each file. Other plans come from the OpenEI U.S. Utility Rate Database (CC BY 4.0) and have not yet been checked line by line against the utility’s tariff. Always confirm the current rates on your utility’s website before switching plans.

Compare two EPB plans

Cities served by EPB

Cities of 100,000 or more whose center lies in EPB’s service territory.

Run the numbers on EPB