HomeWattCost

EPB TRS vs NRS

TRS and NRS cost about the same for a typical Tennessee home (within $15 a year). They stay within about 1% of each other at every level of use from 200 to 2,500 kWh a month, with the same daily pattern of use.

Utility EPBTariffs checked 2026-11-03Typical use 1,186 kWh/mo, Tennessee

Head to head

ScenarioTRSNRSCheaper
Typical home, per month$157$158Tie
All-in price per kWh13.2¢13.3¢TRS
Home + EV, charged at the cheapest hour$186$183NRS
Home + EV, plugged in at 6 pm$195$194Tie
Fixed charge$9.81$9.81

Typical home: Tennessee average use by month (EIA), shaped hour by hour (NREL ResStock), before taxes. EV: Tesla Model Y Long Range AWD, 1,000 miles a month; cheapest start 12 am on TRS, 12 am on NRS.

Month by month

Typical-home bill each month on each plan.

PlanJanFebMarAprMayJunJulAugSepOctNovDec
TRS$178$206$131$121$123$160$197$202$158$129$116$160
NRS$177$208$132$124$123$161$198$203$159$131$117$161

TRS: price by hour

July weekday.

Off-peakPeak
10.8¢20.5¢10.8¢12a3a6a9a12p3p6p9p12a

NRS: price by hour

July weekday.

Off-peakPeak
9.1¢13.3¢9.1¢12a3a6a9a12p3p6p9p12a

TRS or NRS: common questions

Is TRS or NRS cheaper?

TRS and NRS cost about the same for a typical Tennessee home (within $15 a year). They stay within about 1% of each other at every level of use from 200 to 2,500 kWh a month, with the same daily pattern of use. Adding an EV driven 1,000 miles a month and charged at each plan’s cheapest hour, NRS gives the lower total ($183 against $186 a month).

What is the difference between TRS and NRS?

TRS is time-of-use (summer weekdays: Peak 3 pm–7 pm; lowest price 7 pm–3 pm next day), with a fixed charge of $9.81 a month. NRS is time-of-use (summer weekdays: Peak 5 am–11 pm; lowest price 11 pm–5 am next day), with a fixed charge of $9.81 a month.

More EPB comparisons

How the two plans work

TRS: EPB Time Shift Rate Plan

  • Peak 3 pm–7 pm on July weekdays; 4 of 24 hours carry the top price of 20.5¢.
  • The cheapest July weekday hour costs 10.8¢, so moving 1 kWh out of the top hours saves 9.7¢.
  • January weekdays range from 10.8¢ to 20.5¢.
  • 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 13.3¢.
  • The cheapest July weekday hour costs 9.1¢, so moving 1 kWh out of the top hours saves 4.2¢.
  • January weekdays range from 9.1¢ to 13.3¢.
  • Fixed charge: $9.81 a month.

Your own pattern of use decides the winner: compare every EPB plan on your usage, or see all EPB plans, sources and peak hours.