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Ice Blue · IBM Plex Sans · Degradation Model · G98/G99 Calculator · 25-Year Forecast · PDF Export
Site 13 of 17. The .solar TLD signals specialist authority — only professionals and enthusiasts use it. solarexportrates.solar is the technical, professional-grade companion to the .co.uk homeowner calculator. Targets solar installers, energy consultants, surveyors, and commercial property managers. The unique feature: a degradation-adjusted 25-year export income forecast that models exactly how generation and income decline year by year. No UK solar site has published this.
Professional Tools
25-Year Degradation Model
Year 1-25 export income modelled using real degradation rates: 2% year 1 (LID), then 0.5%/year. Shows annual income decline in table and chart. No UK solar site has this.
Explore ModelG98/G99 Calculator
Input total system capacity + existing exports. Output: G98 or G99 notification required. G98 = ≤3.68kW (self-notification). G99 = >3.68kW (DNO approval). Scotland DNO contacts included.
Calculate NowScotland DNO Map
Interactive map showing SPEN and SSEN North/South coverage zones. Hover to see DNO name, G98/G99 threshold, typical approval time, contact details, export constraint areas.
View MapInstaller Resources
MCS calculation templates, G98/G99 form links, commissioning report checklist, customer handover documents. Targeted at MCS certified installers.
Access ResourcesMulti-Array Calculator
Add up to 4 separate roof arrays with different orientations, sizes, and shading. Critical for complex properties with split roofs — common in Scottish tenements.
Calculate ArraysMonthly Forecast
12-month seasonal adjustment for Scotland. January = 4% of annual total. June = 14%. Each month shows expected kWh generation, self-use, export, and income.
View ForecastWhy .solar?
The .solar TLD signals specialist authority. Only professionals and solar enthusiasts use it. This is the technical companion to our homeowner-focused solarexportrates.co.uk.
We target MCS certified installers, energy consultants, commercial property surveyors, and building managers who need professional-grade analysis tools.
No other UK solar site publishes a degradation-adjusted 25-year export forecast. We're the first.