Utility Bill Review
Got a Solar Quote? Here's How to Know If It's Fair.
A homeowner's guide to reading your solar proposal — plus a free tool to grade it automatically.
5 Things to Check in Any Solar Proposal
Price per Watt
The single most important number. Colorado average is $2.50–$3.20/W installed (Q1 2026). If your quote is above $3.20/W, ask why. Below $2.50/W, make sure nothing's being cut.
Production Estimate
Is the annual kWh realistic for your roof? Ask what tool they used (PVWatts, Aurora, manual). If they can't tell you, that's a red flag. Colorado averages ~1,500 kWh/kW installed.
Have your quote handy? Upload it and we'll check all of this automatically.
Upload My Solar QuoteThe Federal Tax Credit Line
The 30% ITC expired December 2025. If your proposal still shows a 30% federal credit reducing the price, the math is wrong. Period.
Financing Terms
Dealer fees can add 20–30% to the cash price. Compare the cash price to the financed price. If there's no cash price listed, ask for one.
Warranty and Equipment
25-year panel warranty is standard. Inverter warranty varies (12–25 years). Make sure the proposal specifies brands and models, not just "Tier 1 panels."
Have your quote handy? Upload it and we'll check all of this automatically.
Upload My Solar QuoteQuestions to Ask Your Solar Rep
- What's the cash price before any financing markup?
- What production estimate tool did you use?
- What's my cost per watt, installed?
- Does this quote include the federal tax credit? (trick question — it shouldn't)
- What happens if my roof needs repairs in 10 years?
- What's the difference between your lease, PPA, and loan options?
- Can I see the net metering credit rate you used?
Let Us Grade Your Quote
Upload your solar proposal and get an AI analysis in 60 seconds. We'll check every line item against real Colorado data.
Drop your solar proposal here
PDF from Sunrun, Vivint, Freedom, or any installer
Your files are analyzed securely and deleted immediately after. We never store your documents.
Not Ready to Upload? Start With Your Electric Bill
Don't have your quote yet? Upload your Xcel Energy bill and we'll show you what solar could save — based on your actual usage, not an estimate.
Upload my electric bill instead →Built for Colorado Homeowners
We model your actual Xcel rate schedule including TOU-R on-peak and off-peak periods.
Colorado law (C.R.S. 39-1-104) exempts solar from property tax. We calculate your savings.
The federal 30% ITC expired Dec 2025. We show real costs, not inflated savings with expired credits.
Colorado SB 23-258 changed net metering rules. Our analysis uses the current reduced credit rates.
Why Trust This Tool?
We don't sell solar. We don't earn commission. We use NREL production data, actual Xcel Energy rates, and real Colorado pricing to grade your proposal on what matters.
Your solar ROI depends on your Xcel rate plan, Colorado's new net metering credit rates, and the property tax exemption. Generic calculators miss all of this. We don't.
3% rate escalation (Colorado historical average), 0.5% panel degradation, no expired tax credits. We underestimate savings, not overestimate.
Solar companies spend $3,000-6,000 per customer on sales. That cost gets baked into your price. Better-informed homeowners make the whole industry more efficient.
Frequently Asked Questions
Why is this free? What's the catch?
Solar companies spend $3,000-6,000 per customer on sales and marketing — and that cost gets built into the price you pay. We built this tool to make the solar buying process more efficient. There's no catch: we don't sell your data and we'll never pressure you to buy anything.
Does the federal solar tax credit still exist?
The residential Section 25D Investment Tax Credit expired December 31, 2025. If an installer is still quoting you a 30% tax credit, that's a red flag. Our analysis accounts for this — we show you what solar really costs without phantom credits.
How accurate is the analysis?
We use real data from Google's Solar API for your specific roof, NREL's PVWatts for production estimates, and current equipment pricing. Our savings projections use conservative 3% annual rate increases — not the inflated 5-6% some installers assume.
What happens to my documents?
Your files are analyzed in real-time and deleted immediately after. We never store your utility bills or solar proposals. The only thing we keep is your email (if you choose to share it) so we can send your report.
What if my proposal is actually fine?
Then we'll tell you that. Many proposals we analyze are fairly priced. When that happens, you get the confidence to move forward without second-guessing. That's just as valuable as catching a bad deal.
Reading your document...