Quick Answer
Match the plan to when you use power, not to the headline price. Predictable usage that resists scheduling fits a fixed rate; a household that can shift laundry, dishwashing, and EV charging to evenings and weekends earns real savings on time-of-use (ToU); deregulated-state shoppers who watch prices can gamble on variable, accepting that spikes arrive unannounced. Most households are best served by fixed or ToU — the two structures whose bills you can actually predict.
The Decision List
Answer these in order:
- Can you shift 20%+ of your usage out of weekday afternoons? (Laundry after 9pm, dishwasher delayed-start, EV charging overnight.) If yes → price a ToU plan against your current bill. If no → fixed.
- Is your usage seasonal-heavy? (Summer AC, winter heat.) Fixed rates smooth the per-unit price; ToU adds a second seasonal layer — check both summer and winter peak windows before switching.
- Do you live in a deregulated state? (TX, PA, OH, and a dozen others.) Then you can shop retail plans — compare real offers on your state’s official marketplace, not marketer sites, and read the fixed vs variable comparison with real offers.
- Does your utility bill a demand charge or tiered water/energy rate? Those change the math differently — see how demand charges work and how tiered rates work.
How the Plan Types Compare
| Fixed rate | Variable rate | Time-of-use (ToU) | Tiered | |
|---|---|---|---|---|
| Price per unit | Locked for a term | Moves with market/month | Varies by time block | Rises past a usage threshold |
| Bill predictability | High | Low | Medium — predictable if schedule is stable | High until you cross the tier |
| Best for | Budgeters, stable usage | Price-watchers in deregulated markets | Shift-able schedules, EV owners, smart-home users | Conservation-minded, low-usage households |
| Main risk | Paying a premium when market prices fall | Winter/summer spikes hit unprepared | Afternoon AC or laundry erases savings | One hot month jumps a tier |
| Where explained | Fixed vs variable, real offers | same | Time-of-use rates explained | Tiered water rates |
Questions to Ask Your Utility Before Switching
- What rate plans am I currently eligible for, and what is the all-in per-unit price on each (energy + delivery + riders, not just the supply line)?
- Is there a fee to switch plans, a minimum term, or a seasonal window when switches are not allowed?
- For ToU: what exactly are the peak/off-peak windows, and do they change seasonally? (Utilities publish these in tariff sheets — for example, Pacific Gas & Electric’s E-TOU-C schedule defines its windows in its published tariff.)
- Can I see my hourly usage data for the last 12 months to simulate what my bill would have been on each plan?
- Does net metering, a demand charge, or a minimum bill interact with the plan? (Net metering explained, minimum bills.)
That fourth question is the one most readers skip — and the one that turns a guess into a calculation. The national average residential price was about 18.3¢ per kWh in mid-2026 (U.S. EIA), but your all-in local rate is the only number that matters for this decision.
Every Rate Page on This Site
- Fixed vs variable rates — real TX/PA/OH offers
- Time-of-use electricity rates explained
- What time is electricity cheapest?
- Demand charges on an electricity bill
- Tiered water rates explained
- Net metering explained
- Delivery charge vs supply charge
- Understanding kWh — the unit behind every plan
After You Pick: Make the Plan Pay
A rate plan is a pricing structure, not a savings plan — the savings come from matching behavior to it. Once your structure is right, how to lower your utility bills walks the prioritization: measure first, then fix the biggest line.
