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Field notes

What we learn
on the pass.

Method, pricing, and the soiling data behind every flight plan.

Featured · Maintenance

How often should you clean solar panels in the Coachella Valley?

Soiling models, dust events, and what the inverter data actually shows for desert installs.

2026-05-12 · 6 min
Coming soon
Coming soon
  • Safety 5 min

    Is drone solar panel cleaning safe for tile roofs?

    Why touch-free passes solve the broken-tile problem that ground crews can't.

    2026-04-28 Coming soon
  • Pricing 8 min

    What does solar panel cleaning actually cost in 2026?

    A plain-English breakdown of residential, commercial, and utility pricing models.

    2026-04-10 Coming soon
  • Method 4 min

    Deionized water vs. detergent: why DI wins on solar

    Module warranty language, mineral residue, and the long-term cost of the wrong rinse.

    2026-03-22 Coming soon
  • Method 7 min

    Soiling loss, explained: turning dirty panels into a yield model

    How we estimate the kWh you're leaving on the roof — and how that becomes a quote.

    2026-03-04 Coming soon
  • Commercial 6 min

    Quarterly vs. semi-annual cleans for commercial arrays

    Cadence math: dust load, kWh recovery, and the break-even on more frequent service.

    2026-02-18 Coming soon
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