The Bill Credit Trap

A "bill credit plan" in Texas advertises a low ¢/kWh rate (sometimes as low as 5–7¢/kWh) but only delivers that rate if your monthly usage falls in a specific window — typically 1,000 to 2,000 kWh. Use less than the threshold and you don't get the credit; use just under the threshold and you can pay more than a customer using more electricity.

This is the Bill Credit Trap. Based on Power My Casa's analysis of the current Texas electricity market:

• About 4% of active plans use a bill credit threshold structure — but they're disproportionately the plans advertised at low headline rates
• Customers who fall just below a threshold can pay an effective rate of 20–32¢/kWh — double or triple the plan's advertised rate
• Annual overpayment from being just under the threshold: $300–$800+ depending on plan and usage
• Households most likely to fall into the trap: apartments, smaller homes, and households of 1-2 people (lower baseline usage)

It's not a hidden fee or a dishonest plan — the threshold is disclosed in the Electricity Facts Label (EFL). But the EFL formatting is dense enough that most consumers don't catch it. This guide explains how the trap works, how to spot it, and how to avoid it.

Upload your bill and we'll tell you in 30 seconds whether you're in the bill credit trap right now.

How a bill credit plan works

A bill credit plan has three components:

1. An energy charge (e.g., 12¢/kWh × your usage)
2. A bill credit (e.g., −$50) — but only if your usage hits a threshold (e.g., ≥1,000 kWh that month)
3. TDU delivery charges (separate from the REP, same for everyone in that TDU)

The REP advertises the rate that assumes the credit is applied. That rate is the lowest the customer can ever pay on the plan — only achievable at exactly the threshold.

Worked example: Chariot Energy GridPlus 12

This is a real plan currently available in Texas. The base energy rate is approximately 20¢/kWh, but a bill credit at 1,000 kWh drops the advertised rate to 7.3¢/kWh. Here's what actually happens at different usage levels (TDU charges shown using Oncor at 5.6¢/kWh + $4.23/mo base):

The discontinuity at 1,000 kWh is where the trap lives. A customer at 999 kWh pays $129 more than a customer at 1,000 kWh despite using less electricity.

How widespread is this in the Texas market?

Power My Casa analyzed 3,003 active residential plans across all major Texas TDUs in May 2026. Findings:

• 4.3% of all active plans (130 plans) use a bill-credit threshold structure
• The most common threshold is 1,000 kWh (the majority of bill-credit plans)
• A secondary threshold at 2,000 kWh appears on many of the same plans (stacked credits)
• The largest rate spread observed: plans advertising 16.0¢/kWh at 1,000 kWh but charging 32.0¢/kWh at 500 kWh (a 16¢ spread, meaning the credit is ~$80)
• Other common bill-credit structures: plans like Chariot Energy's GridPlus 12 (7.3¢ at 1,000 kWh vs 20.2¢ at 500 kWh) and Octopus Energy's Lite 12 (8.2¢ at 1,000 kWh vs 22.1¢ at 500 kWh)

While bill-credit plans represent a small share of total plans by count, they're over-represented in "cheapest plans" search results because their 1,000 kWh rate — the number shown on comparison sites — reflects the credit. Consumers shopping by headline rate are funneled toward these plans.

Who's most at risk

Households using less than 1,000 kWh/month are the primary victims. In Texas, this typically includes:

• Apartments and smaller homes — typical usage of 500–900 kWh/month outside of summer
• Single occupants and couples without high-draw appliances
• Well-insulated newer construction in mild months
• Any household in spring/fall when AC isn't running heavily

How to spot a bill-credit plan in the EFL

Every Texas electricity plan has an Electricity Facts Label (EFL) — required by the PUCT to disclose rates and terms. The bill credit is always in the EFL, but the formatting varies.

Where to look:

1. The pricing table at the top of the EFL shows "Price per kWh at 500 / 1,000 / 2,000 kWh" — if these three numbers are wildly different (e.g., 14¢ / 8¢ / 10¢), the plan has a bill credit
2. The "Description of Charges" section — bill credits are listed here, often as "$X bill credit when usage is between A and B kWh"
3. Footnotes — small text below the pricing table sometimes contains the threshold and credit amount

Red flags in the EFL:

• Advertised rate (e.g., 7.9¢/kWh) is much lower than the 500 kWh rate (e.g., 14¢/kWh)
• A wide spread between the 500 / 1,000 / 2,000 kWh rates
• Footnotes with "if usage is between X and Y" language
• Words like "free nights" or "free weekends" without a clear daytime rate

See our EFL Decoded guide for a section-by-section walkthrough.

When bill credit plans are actually a good deal

Bill credit plans aren't always a trap. They make sense when:

• Your usage consistently exceeds the threshold by a comfortable margin (e.g., 1,200+ kWh on a 1,000-threshold plan)
• You have predictable, high usage (large home, electric heating, EV charging, pool)
• The base ¢/kWh is competitive even without the credit — some bill credit plans have decent fallback rates

Rule of thumb: if your average monthly usage over a year is 20% or more above the threshold, a bill credit plan often wins. If you're regularly within ±10% of the threshold, you're in the danger zone.

How to avoid the trap

1. Don't shop by advertised rate alone. Use your actual annual usage profile to compute the effective rate per plan. Tools like Power My Casa do this automatically when you upload your bill.
2. If your usage is below or near a threshold, look for plans with no usage thresholds and no bill credits — a simple flat ¢/kWh.
3. Re-evaluate every contract end. Even if a plan made sense for your old home (3,000 sq ft house), it may not for your new one (1,500 sq ft apartment).
4. Don't auto-renew. Many bill credit plans auto-renew at the end of the term with the same structure. Your new usage may have changed.

"Free nights" and "free weekends" plans — same trap, different shape

Free-nights and free-weekends plans are a special case of bill credit plans. Instead of a kWh threshold, the "free" period is tied to time of day.

How they work:

• Electricity is "free" between, e.g., 9 PM and 6 AM (free nights) or all day Saturday and Sunday (free weekends)
• But the daytime rate is much higher than a typical fixed-rate plan — often 16–22¢/kWh vs. 8–14¢/kWh flat
• They only save you money if a meaningful share of your usage is during the "free" period

Who they make sense for:

• Customers who work daytime hours away from home and concentrate AC/heating overnight or on weekends
• Customers with electric vehicles that can be set to charge only during the free period
• Customers with electric pool pumps that can be scheduled

Who they don't make sense for:

• Customers home during the day (retirees, work-from-home, kids home from school)
• Customers whose AC runs hardest 2-6 PM (peak Texas summer heat)
• Customers without time-of-use awareness or smart-appliance scheduling

Free-nights and free-weekends plans typically result in higher bills than a flat-rate plan for an average Texas household — but they can save substantially for the right user.

Frequently asked questions

Q: Are bill credit plans legal?

A: Yes. They're disclosed in the EFL per PUCT requirements. The question isn't legality — it's whether the disclosure is clear enough for average consumers to evaluate. Most consumer advocates argue it's not.

Q: Can I get out of a bill credit plan if I realize it's wrong for me?

A: You can switch any time, but if you're in a fixed-term contract, you'll pay the early termination fee (typically $150–$300). The math is: switch if new plan annual savings > ETF. See How to Switch Electricity Providers in Texas.

Q: Why don't REPs just advertise the effective rate at typical usage?

A: PUCT rules let them advertise based on 1,000 kWh and 2,000 kWh prices — which happen to be the threshold points. The system makes the credit-applied price the "headline" rate, even though most households use a different amount.

Q: How is the Bill Credit Trap different from a "tiered rate plan"?

A: A tiered rate plan charges a different ¢/kWh in different usage ranges (e.g., 10¢/kWh for the first 500 kWh, 12¢/kWh for the next 500). A bill credit plan has a flat or near-flat ¢/kWh but adds a one-time credit at thresholds. The math is different but the effect is similar — both create artificial "sweet spots" in the usage curve.

Q: What's the worst real-world example of the Bill Credit Trap?

A: From plans currently available in the Texas market, we've seen structures where the advertised rate at 1,000 kWh is 16.0¢/kWh, but at 500 kWh it jumps to 32.0¢/kWh. A customer using 500 kWh would pay $160/month (before TDU) on a plan advertising 16¢. That's roughly $960/year in overpayment compared to a simple flat-rate plan at 10¢/kWh.

How we calculated the numbers in this guide

The figures in this guide are based on Power My Casa's analysis of:

• 3,003 active retail electricity plans in the Texas deregulated market as of May 2026
• Plan data collected across all 6 major TDUs (Oncor, CenterPoint, AEP Central, AEP North, TNMP, Lubbock P&L)

For each plan, we identified:

• Whether it uses a bill-credit threshold structure (based on the spread between the 500 kWh and 1,000 kWh advertised rates)
• The advertised rate at 1,000 kWh (the "headline" number)
• The effective rate at 500 kWh (what a low-usage household actually pays)
• The spread between the two — a proxy for the credit amount

We classify a plan as having a "bill credit structure" when its Electricity Facts Label (EFL) discloses a usage-based credit — a dollar amount applied only when monthly consumption meets or exceeds a stated threshold (typically 1,000 or 2,000 kWh).

Last reviewed May 17, 2026. Plan structures and bill credit thresholds change as the Texas market evolves; we update the analysis quarterly.