OwlOwlWatt pricing
Start with a 30-day free trial. No installer commissions, ever.
- Everything in the standard plan, now and in the future — both tiers
- All future features at no extra cost
- Web/Stripe only · first 100 customers, shared across both tiers
Or choose a subscription
- Real-time monitoring (5-second with OwlWatt Iris)
- Per-panel data (Enphase systems)
- pvlib expected-production modeling
- Documented shortfall reports
- Production guarantee claim letter generation
- Home Assistant integration
- Bill verification & NEM math
- Email + dashboard support
- Everything in monthly
- Pay for 9 months, get 12
- Priority support response
- Annual production audit report
- Cancel anytime; access runs to the end of the paid period
Frequently asked
Is there really a free trial?
Yes — 30 days. Explore your dashboard and see whether a shortfall appears. The exact figures, your claim report, and the production guarantee claim letter unlock when you subscribe. No credit card needed to start; one is required only when you convert to a paid plan at the end of the trial.
Can I cancel anytime?
Yes. Cancel from the dashboard at any point. You keep access until the end of the current billing period. Your production history is retained for 90 days after cancellation in case you change your mind, then permanently deleted.
Are there any hidden fees or upsells?
No. The subscription is our only revenue. We do not take commissions from solar installers, equipment vendors, or anyone else in the solar industry. That independence is the whole reason a customer would trust an OwlWatt-produced production guarantee letter.
Do I need to buy hardware?
Optional. OwlWatt works in cloud-only mode against your existing Enphase Enlighten account via OAuth. For 5-second resolution and offline resilience, we ship the OwlWatt Iris collector. Same subscription price either way; the hardware is a one-time cost. The Founder Lifetime offer has a cloud-only tier ($399) and a +Iris tier ($499) that includes an owned OwlWatt Iris (not loaned) at checkout — see the Founder Lifetime terms for details.
What if my installer disputes the OwlWatt report?
Our reports cite the exact model (pvlib's PVWatts implementation), the exact parameters used (your system's DC nameplate capacity, tilt, azimuth, install date), and the exact data window. The full methodology is documented at /methodology. An installer disputing OwlWatt's math is disputing PVWatts itself — the model NREL publishes and the industry uses for system design. If a dispute escalates, a consumer protection attorney in your state can use our documentation as evidence.
Does OwlWatt work with my system?
Today: Enphase (any IQ-series microinverter system, IQ Gateway required). String inverters from SolarEdge, SMA, Fronius, and others are on the roadmap. SolarEdge owners: support is coming soon and in active development — join the SolarEdge early-access program to help us build and test it, in exchange for 2 years of OwlWatt free. If you're unsure, email [email protected] with your system specs before signing up.
What if I sell my house?
Your OwlWatt account and historical data are transferable to the new homeowner if they want to continue the subscription. Otherwise, the account closes and the data is deleted on the standard 90-day schedule.