EDF Simply Tracker vs Octopus Tracker: which is cheaper?
A UK-focused comparison of two tracker-style tariffs: what “cheaper” really means, how prices can move, and how to check the live costs for your postcode and meter setup.
- Answer-first summary (with the key number you should compare)
- Clear decision checklist for who tracker tariffs suit (and who they don’t)
- Two realistic cost scenarios with worked examples (no made-up unit rates)
Energy prices can change. We don’t publish live unit rates on this page—use your postcode to see today’s figures and eligibility.
Fast answer: EDF Simply Tracker vs Octopus Tracker which is cheaper
EDF Simply Tracker vs Octopus Tracker which is cheaper depends on one number: your estimated annual cost for your postcode, meter type and payment method, because tracker prices can move and differ by region. The cheapest can swap month to month. Compare both on the same usage assumptions (kWh) and include standing charges.
Key takeaway #1
Compare total estimated annual cost, not just a headline unit rate. Standing charges and regional variations can outweigh small unit-rate differences.
Key takeaway #2
Tracker tariffs can change frequently (often daily or monthly depending on the product). They can be great in falling markets, but your bill can rise with little notice.
Key takeaway #3
Eligibility and prices can depend on meter type (credit, prepayment, smart) and payment method (Direct Debit vs other). Always check your exact options.
Important: We can’t publish live EDF/Octopus unit rates or standing charges here (they change and vary by region). Use the quote journey to see current prices for your postcode, then decide with the checklist below.
How to compare tracker tariffs properly (UK)
To work out whether EDF Simply Tracker or Octopus Tracker is cheaper for you, compare like-for-like using the same inputs and looking at the right outputs.
- Start with your setup: gas + electricity, electricity-only, single-rate or Economy 7, smart meter status, and whether you pay by Direct Debit.
- Use your real annual usage (kWh): from your bill, your online account, or your In-Home Display. If you don’t know, use a sensible estimate and revisit once you do.
- Compare total estimated cost: the quote should combine unit rate(s) + standing charges for your region. This is usually the fairest “cheaper” comparison.
- Check price-change rules: tracker products can move with wholesale/market-linked formulas. Understand the update frequency (for example daily vs monthly) and any caps/floors if stated in the tariff terms.
- Stress-test your budget: ask yourself how you’d cope if prices rose for a few months. If that would be difficult, a fix may feel safer.
Good to know: The Ofgem price cap is a limit on the unit rates/standing charges suppliers can charge on standard variable tariffs in Great Britain. It is not a guarantee of what any tracker tariff will cost.
Two realistic scenarios (worked examples, no live rates)
These examples show how to compare. The “unit rate” and “standing charge” placeholders should be replaced with the live figures shown for your postcode in the quote results.
Scenario A: typical dual-fuel home
- Assumptions
- 3,100 kWh electricity + 12,000 kWh gas per year, Direct Debit, single-rate electricity.
- How to calculate
- (Elec kWh × elec unit rate) + (Gas kWh × gas unit rate) + (365 × elec standing charge) + (365 × gas standing charge).
- What to compare
- EDF total vs Octopus total using the same usage. A small unit-rate edge can be wiped out by a higher standing charge.
Scenario B: low-usage flat (electricity-heavy)
- Assumptions
- 1,800 kWh electricity per year, no gas, Direct Debit.
- Why this is different
- Standing charges matter more as a share of the bill when usage is low.
- What to compare
- Which tariff has the lower electricity standing charge for your region, and whether unit rates vary enough to beat it over a year.
Caveat: If you have Economy 7 / multi-rate electricity, or a prepayment meter, your comparison needs to use the correct rates and standing charges for that meter type. Don’t rely on a single headline figure.
See today’s prices for your postcode
Tracker costs vary by region and can change. Get a trust-led comparison with your exact meter and payment details.
Quick checklist before you switch
- Do you know your current tariff end date and any exit fees?
- Are you comfortable with prices changing during the year?
- Is everyone in the home happy to track bills more closely for a while?
EDF Simply Tracker vs Octopus Tracker: side-by-side (what to check)
Tracker products aren’t identical. Use this table to compare the terms shown in your quote results and the tariff documents.
| What matters | EDF Simply Tracker (check your quote) | Octopus Tracker (check your quote) |
|---|---|---|
| Price update frequency | Look in the tariff terms for how often rates can change and how they’re calculated. | Look in the tariff terms for how often rates can change and how they’re calculated. |
| Regional standing charge | Confirm the standing charge for your postcode (it can swing the comparison for low usage). | Confirm the standing charge for your postcode (it can swing the comparison for low usage). |
| Meter compatibility | Check whether your meter type is eligible (credit vs prepayment, smart requirements, Economy 7). | Check whether your meter type is eligible (credit vs prepayment, smart requirements, Economy 7). |
| Exit fees / switching out | Verify any exit fee (if any) and whether you can leave at short notice. | Verify any exit fee (if any) and whether you can leave at short notice. |
| Price protection features | If the product documents mention caps/floors or limits, compare them carefully. | If the product documents mention caps/floors or limits, compare them carefully. |
| Total estimated annual cost | Use EnergyPlus results for your postcode and usage, including standing charges. | Use EnergyPlus results for your postcode and usage, including standing charges. |
Tracker tariffs tend to suit you if…
- You can handle bills moving up and down without missing payments.
- You’re happy to review your tariff every few months.
- You want exposure to potential drops in market-linked prices.
- You understand standing charges and how they affect low usage homes.
A tracker may not suit you if…
- You need predictable monthly costs and dislike surprises.
- You’re already struggling with arrears or repayment plans.
- You can’t easily monitor usage (e.g. complex multi-rate setup without support).
- You’d lose a valuable fixed deal by leaving early (check exit fees).
Costs, exclusions and common pitfalls (UK)
When people ask “which is cheaper?”, these are the details that most often change the answer.
1) Standing charges
You pay these daily regardless of usage. They vary by region and meter type and can dominate bills in low-usage homes.
2) Payment method
Direct Debit, receipt of bill, and prepayment can be priced differently. Make sure you’re comparing the same payment method across both tariffs.
3) Meter type & rates
Single-rate vs Economy 7 (two rates) can change the winner. If you use lots of power at night, compare day/night splits using your actual pattern.
4) Your Direct Debit amount
Suppliers may adjust monthly payments based on usage and price changes. A “cheap” tariff can still lead to higher monthly payments if your account is behind.
5) Switching timing
If you’re on a fixed tariff, leaving early may involve exit fees or losing a favourable rate. Always check your current agreement first.
6) Tracker volatility
Tracker tariffs can rise quickly. If you’re budgeting tightly, consider whether you’d prefer the predictability of a fixed deal.
If you’re struggling to pay: Don’t switch just for a headline rate. You may be eligible for support (for example payment plans or targeted help). Citizens Advice explains what to do if you can’t afford your energy bills.
Read Citizens Advice guidance on getting help paying energy bills
FAQs
Is EDF Simply Tracker cheaper than Octopus Tracker?
Sometimes, but not always. The cheaper option depends on your postcode (regional rates), meter type, payment method and your annual kWh usage. Because tracker prices can move, the cheaper tariff can change over time—compare the total estimated annual cost shown for you today.
Do tracker tariffs follow the Ofgem price cap?
Not necessarily. The Ofgem price cap applies to standard variable tariffs in Great Britain, limiting what suppliers can charge on those default tariffs. Tracker tariffs have their own pricing formulas and can change more frequently, so you should rely on the tariff terms and your quote results rather than assuming they “track the cap”.
Can I get a tracker tariff with a prepayment meter?
It depends on availability and eligibility at the time, and may vary by supplier and meter setup. Some tariffs are only available for certain meter types or payment methods. The safest approach is to check options using your postcode and selecting your current meter/payment type in the comparison.
What should I compare first: unit rate or standing charge?
Compare both, but start with the total estimated annual cost. For low-usage homes, the standing charge can have a disproportionate impact; for high-usage homes, unit rates usually matter more. Always compare using the same annual kWh assumptions.
Is switching to a tracker tariff risky?
A tracker can be riskier than a fix because the price can rise as well as fall. If you need stable monthly outgoings or would struggle with a short-term increase, consider a fixed tariff instead. If you’re comfortable monitoring bills, a tracker can be a reasonable choice—just keep an eye on how it’s performing.
Will I have to pay exit fees to leave a tracker tariff?
It varies by tariff. Some tariffs have no exit fees while others may include them, and terms can change. Before switching, check your current tariff’s exit fees and the new tariff’s key facts/terms so you understand the cost of changing your mind later.
Does my region really change the price that much?
Yes—standing charges and unit rates can differ across electricity distribution regions, and that can change which tariff looks cheaper. That’s why postcode-based results are essential for a fair comparison.
How can I tell if a tracker is still good value after I switch?
Review your unit rates and standing charges periodically and compare against other available tariffs for your postcode using the same usage assumptions. If you have a smart meter, your readings can help you track usage more accurately. If prices rise and stay high, you may prefer moving to a fixed tariff (subject to any exit fees).
Trust, methodology and sources
Page ownership
- Written by
- EnergyPlus Editorial Team
- Reviewed by
- Energy Specialist
- Last updated
- July 2026
How we assess “which is cheaper”
We assess “cheaper” using the total estimated annual cost shown for a user’s postcode, meter type and payment method, based on their annual consumption (kWh). We prioritise total cost over isolated unit-rate comparisons because standing charges and regional pricing can materially change outcomes.
Limitations: Tracker prices can change and availability can vary, so any conclusion can become outdated. We do not publish or guess live EDF/Octopus rates here. Always verify the tariff terms and the current prices presented in the quote results before switching.
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