I Missed My $100 Bill Credit by 7 kWh — Here's How to Never Do It Again

Last updated: July 26, 2026

The bill that started this

In January 2026, I used 993 kWh on my APG&E SimpleSaver 8 plan. My plan pays a $100 bill credit — but only if usage for the cycle hits 1,000 kWh or more.

I used 993.

Seven kilowatt-hours short. Not seven percent short — seven kilowatt-hours, out of a thousand. On an average Texas household, that’s less than the AC running for an extra half hour over an entire month. And it cost me the whole credit — not a partial credit, not a smaller bonus. Zero.

That’s the moment I started building WattKicker.

Why this happens, and why it’s easy to miss

Bill-credit plans are common in the Texas deregulated market. The pitch is straightforward: use enough electricity in a cycle, and the provider credits you a fixed amount — often $50 to $100 — back on your bill. It’s a real discount, and for a lot of households it’s a genuinely good deal.

The part that doesn’t get explained clearly is the threshold itself. It’s usually a hard line, not a slope. Cross it, you get the full credit. Land one kWh under it, and the credit doesn’t apply at all. There’s no partial credit for getting close. Your bill just… doesn’t have it.

Two things make this easy to walk into:

The threshold isn’t in your face. It’s on the Electricity Facts Label (EFL) you got when you signed up — a document almost nobody rereads mid-cycle. Your provider’s app shows your running usage total, but not usually how that compares to your specific credit threshold in real time.

Smart Meter Texas data lags by about a day. Even if you’re the kind of person who checks, the numbers you’re looking at are already slightly behind where you actually are.

So the failure mode isn’t carelessness. It’s that the one number that determines whether you get $100 back is sitting in a PDF from months ago, while the number you can actually see doesn’t tell you how it compares.

The math, laid out plainly

Here’s the actual arithmetic from that January cycle:

• Credit threshold: 1,000 kWh
• Actual usage: 993 kWh
• Shortfall: 7 kWh
• Credit missed: $100
• Cost per missing kWh, in this case: just over $14

For context, 7 kWh is roughly what a central AC unit draws in well under an hour on a hot Texas afternoon. It’s a rounding error in monthly usage terms, and it was the entire difference between getting $100 back and getting nothing.

If I’d known on, say, day 25 of a 30-day cycle that I was tracking toward 993 instead of 1,000, fixing it would have taken nothing — running the dryer once more, leaving a light on for an evening, anything. The problem was never the usage. It was not knowing where I actually stood until the bill already reflected it.

What actually needs to happen to avoid this

Two things, neither of which your provider’s app is built to show you:

1. Know your specific threshold — not a generic “around 1,000 kWh,” but the exact number on your plan’s EFL, since providers set this independently and it varies by plan.
2. Track your daily average against days remaining in the cycle, so you can see — with enough runway left to actually do something — whether you’re on pace to clear the line or not.

That second part is the whole reason WattKicker exists. It pulls your Smart Meter Texas interval data and does the daily-pace math automatically, so instead of finding out on your bill, you find out while there’s still time to change it.

If you want to see where you stand on your own plan, you can check your usage against your threshold here — it’s free during the current beta.

I don’t know your specific plan’s threshold, and I won’t pretend a $100 credit is universal — some plans use $50, some use 500 kWh instead of 1,000, some don’t have a credit at all and use a minimum-usage fee instead (that’s a different mechanic — covered in the FAQ below). But the underlying problem is the same for anyone on a threshold-based plan: the number that matters is invisible until it’s too late to act on it. That’s the gap I’m trying to close.