Is RSP or RSH cheaper?

RSP and RSH cost about the same for a typical Michigan home (within $0 a year). RSP stays cheaper 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, RSH gives the lower total ($204 against $204 a month).

What is the difference between RSP and RSH?

RSP is time-of-use (summer weekdays: Peak 2 pm–7 pm; lowest price 7 pm–2 pm next day), with a fixed charge of $9.50 a month. RSH is time-of-use (summer weekdays: Peak 2 pm–7 pm; lowest price 7 pm–2 pm next day), with a fixed charge of $9.50 a month.

HomeWattCost

Consumers Energy RSP vs RSH

RSP and RSH cost about the same for a typical Michigan home (within $0 a year). RSP stays cheaper at every level of use from 200 to 2,500 kWh a month with the same daily pattern of use.

Utility Consumers EnergyTariffs checked 2026-09-28Typical use 630 kWh/mo, Michigan

Head to head

Scenario	RSP	RSH	Cheaper
Typical home, per month	$146	$146	Tie
All-in price per kWh	23.2¢	23.2¢	RSP
Home + EV, charged at the cheapest hour	$204	$204	RSH
Home + EV, plugged in at 6 pm	$207	$208	RSP
Fixed charge	$9.50	$9.50

Typical home: Michigan 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 RSP, 12 am on RSH.

Month by month

Typical-home bill each month on each plan.

Plan	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
RSP	$156	$133	$128	$113	$117	$164	$224	$186	$139	$116	$123	$152
RSH	$156	$133	$128	$113	$117	$164	$224	$186	$139	$116	$123	$153

RSP: price by hour

July weekday.

Off-peakPeak

RSH: price by hour

July weekday.

Off-peakPeak

How the two plans work

RSP: Summer On-Peak

Peak 2 pm–7 pm on July weekdays; 5 of 24 hours carry the top price of 27.4¢.
The cheapest July weekday hour costs 22.6¢, so moving 1 kWh out of the top hours saves 4.8¢.
In January every hour costs the same (20.5¢).
Summer pricing applies Jun–Sep; winter pricing Oct–May.
Weekends follow a different schedule from weekdays.
Fixed charge: $9.50 a month.

RSH: Smart Hours

Peak 2 pm–7 pm on July weekdays; 5 of 24 hours carry the top price of 27.4¢.
The cheapest July weekday hour costs 22.6¢, so moving 1 kWh out of the top hours saves 4.8¢.
January weekdays range from 20.3¢ to 21.8¢.
Summer pricing applies Jun–Sep; winter pricing Oct–May.
Weekends follow a different schedule from weekdays.
Fixed charge: $9.50 a month.

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