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Solar farm inspection

Manual inspection (handheld thermal, walking rows) vs Drone thermography

تقديرات من نموذج Whirrwork، وليست حقائق. المنهجية · سجل التوقعات

إنسان · سنويًا‏٥٠٠٬٠٠٠ US$Manual inspection
روبوت · سنويًا‏٢٣٨٬٧٥٠ US$Drone thermography
فترة الاستردادimmediate
سنة التقاطعالآنBase-case year (earliest to latest across scenarios)

On these numbers the robot option is clearly cheaper.

الولايات المتحدة · USD · BLS OEWS May 2025 national medians by SOC occupation

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حجم العمل
افتراض

MW of plant inspected per year.

افتراض

Hours per day.

افتراض

Days per month.

افتراض

Months per year.

العمالة
U.S. Bureau of Labor Statistics

BLS OEWS May 2025 national median hourly wage, SOC 47-4011.

U.S. Bureau of Labor Statistics

Wages and salaries were 70.0% of total employer compensation cost for private industry workers in June 2026 (ECEC), so total cost = wage / 0.70.

ilostat.ilo.org

Nominal 4.4% a year, 2015-2025 (ILOSTAT hourly earnings).

الأسعار
مشتق AeroDeploy (drone inspection company)

Midpoint of $0.008-$0.012 per watt for manual inspection = $10,000 per MW (drone company's figures).

مشتق AeroDeploy (drone inspection company)

Midpoint of $0.003-$0.006 per watt for drone inspection = $4,500 per MW (same source). A French operator publishes €150-€400 per MWp, far lower.

الروبوت
افتراض

Share needing a person on site anyway (string-level electrical tests).

افتراض

Electricity price per kWh (USD). Check your bill; energy is rarely a big line.

التمويل
افتراض

Annual financing / discount rate. Nobody publishes yours; 8% is a round mid-2026 commercial borrowing guess.

افتراض

Years in the NPV comparison.

افتراض

Share of a human service price that is labour (rises with wages). Used to escalate and to adjust US service prices to other countries.

افتراض

Share of a robot service price that is labour (pilot, technician). The rest is equipment, which learning curves make cheaper.

افتراض

Share of a lease or RaaS fee that pays for hardware (learns down). The rest is service and support (moves with wages).

Download these results (CSV)

النتائج

الخيارشهريًاسنويًاPer unit (MW)التكلفة الأوليةفترة الاستردادBreak-even utilisation5-year NPV vs baseline
إنسان Manual inspection خط الأساس ‏٤١٬٦٦٧ US$‏٥٠٠٬٠٠٠ US$‏١٠٬٠٠٠ US$— — — —
روبوت Drone thermography ‏١٩٬٨٩٦ US$‏٢٣٨٬٧٥٠ US$‏٤٬٧٧٥ US$— immediate — ‏١٬١٤٢٬٣٢٧ US$

What moves the answer most

Each bar shows the 5-year NPV of the best robot option when one input moves to the low or high end of its range, with the rest held at your values.

5-year NPV vs baseline: Drone thermography5-year NPV vs baseline: Drone thermographyWorkloadlow value: 5 → ‏١١٤٬٢٣٣ US$high value: 500 → ‏١١٬٤٢٣٬٢٦٦ US$Drone thermographylow value: 300 → ‏١٬٩٨٩٬٦٩٥ US$high value: 6000 → ‏٨٣٩٬٦٩٥ US$Manual inspectionlow value: 8000 → ‏٧٣٢٬٢٨٢ US$high value: 12000 → ‏١٬٥٥٢٬٣٧١ US$Work that stays humanlow value: 0 → ‏١٬٢٠٢٬٤٤٩ US$high value: 0.2 → ‏٩٦١٬٩٥٩ US$Financing and discount ratelow value: 0.05 → ‏١٬٢٢٩٬٨١٣ US$high value: 0.12 → ‏١٬٠٣٨٬٥٤٥ US$Wage growth per yearlow value: 0.0236 → ‏١٬١١٠٬١٤٢ US$high value: 0.0636 → ‏١٬١٧٥٬٧٤٥ US$‏١٬١٤٢٬٣٢٧ US$0low valuehigh valueSource: Whirrwork Robot-or-Human model v1.0.0 (whirrwork.com/tools/robot-vs-human/solar-farm-inspection/). Modelled estimate, not a fact.

Cost per unit to 2035

Real terms (today's money). Robot hardware follows Wright's law; wages follow each country's history. Shaded band: robots-slow to robots-fast scenarios. تقديرات من نموذج Whirrwork، وليست حقائق.

Chartتكلفة الإنسان لكل وحدة (الأساسي), تكلفة الروبوت لكل وحدة (الأساسي), تكلفة الروبوت لكل وحدة (الروبوتات: تقدّم سريع), تكلفة الروبوت لكل وحدة (الروبوتات: تقدّم بطيء). Source: Whirrwork Robot-or-Human model v1.0.0 (whirrwork.com/tools/robot-vs-human/solar-farm-inspection/). Modelled estimate, not a fact.‏٠٫٠٠ US$‏٢٬٥٠٠ US$‏٥٬٠٠٠ US$‏٧٬٥٠٠ US$‏١٠٬٠٠٠ US$2026202720282029203020312032203320342035USD / MWscenario rangeتكلفة الإنسان لكل وحدة (الأساسي)تكلفة الروبوت لكل وحدة (الأساسي)تكلفة الروبوت لكل وحدة (الروبوتات…تكلفة الروبوت لكل وحدة (الروبوتات…Source: Whirrwork Robot-or-Human model v1.0.0 (whirrwork.com/tools/robot-vs-human/solar-farm-inspection/). Modelled est…

سنة التقاطع: الآن

What the spreadsheet misses

السلامة
Less walking among live DC strings in the heat.
الجودة
Full-coverage thermal maps to IEC 62446-3 are hard to match on foot.
المرونة
Technicians fix connectors as they go.
Edge cases
Irradiance has to be high enough for useful thermal images: weather dictates the schedule.
Customer experience
Asset owners get comparable reports year on year.
Jobs and redeployment
O&M crews spend more time fixing, less finding.
التنظيم
Drone rules near substations and airports.

ذو صلة

مصادر هذه الصفحة

الملاحظات والمصادر بالإنجليزية، والنص الإنجليزي هو المرجع.

  1. Drone inspection cost vs traditional methods: tower climb $800-$1,500 vs drone $350-$600; roof ladder $300-$800 vs drone $150-$400; solar manual $0.008-$0.012/W vs drone $0.003-$0.006/W AeroDeploy (drone inspection company), 2026 · vendor
  2. Occupational Employment and Wage Statistics, May 2025 (median hourly wage by occupation) U.S. Bureau of Labor Statistics, 2025-05
  3. Employer Costs for Employee Compensation, June 2026: wages and salaries 70.0% of private-industry compensation (series CMU2020000000000P) U.S. Bureau of Labor Statistics, 2026-06
  4. Mean nominal hourly earnings of employees by sex and occupation (ISCO-08), DF_EAR_EHRA_SEX_OCU_CUR_NB ILOSTAT (International Labour Organization), from national labour force and earnings surveys, 2025
  5. Labour cost levels by NACE Rev. 2 activity (lc_lci_lev): Germany 2022-2025, total labour cost vs wages and salaries per hour Eurostat, 2025
  6. Rates and thresholds for employers 2025 to 2026 (employer Class 1 NIC 15% above £5,000) HM Revenue & Customs, 2025-04-06
  7. 令和6年賃金構造基本統計調査 (Basic Survey on Wage Structure 2024), table 1 by occupation Ministry of Health, Labour and Welfare, Japan (via e-Stat), 2024-06
  8. Average monthly earnings of employees by sex and economic activity, DF_EAR_EMTA_SEX_ECO_CUR_NB ILOSTAT (International Labour Organization), 2022
  9. Average annual wage of employed persons in urban units in 2024 (by position and by region) National Bureau of Statistics of China, 2025-05-20
  10. Euro foreign exchange reference rates (cross rates to USD), via Frankfurter European Central Bank, 2026-10-23
  11. Wright, T. P. (1936). Factors affecting the cost of airplanes. Journal of the Aeronautical Sciences, 3(4), 122-128 Journal of the Aeronautical Sciences, 1936
  12. Nagy, B., Farmer, J. D., Bui, Q. M., & Trancik, J. E. (2013). Statistical basis for predicting technological progress. PLoS ONE, 8(2), e52669 (62 technologies; Wright's law among the best hindcasters; errors grow with horizon) PLoS ONE, 2013