Preserve instrument and interval quality, summarize direction, gusts and shear, compare actual turbine curve energy and archive the accepted resource basis.
State whether monitoring supports site selection, hub-height assessment, turbine comparison or operating diagnosis. Record target locations/heights, time resolution and the longer-term reference context. Plan instrumentation, permissions, maintenance and safe access so the intended comparison has defensible data.
Retain instrument model, calibration, orientation, height, exposure and installation/change dates. Check timestamps, missing/duplicate intervals, sensor stalls, icing and altered exposure. Mark rejected intervals explicitly and document the expected period rather than silently normalizing incomplete observations.
Group duration by direction while separating calm observations. Compare speed, kinetic resource and measured gust/turbulence statistics on compatible periods. Derive height shear from matched observations and examine whether one exponent conceals seasonal or directional differences relevant to the project.
Keep the accepted resource height and density basis with the electrical turbine curve. Integrate speed-duration bins over explicit represented hours, or inspect a justified Weibull fit with shape and scale separately. Compare fit results with actual bins and retain operating cut-out and loss assumptions.
Use consistent turbine, period and loss boundaries when comparing resource at candidate heights or locations. Document the modeled uncertainty and constraints. For arrays, obtain actual wake-model results and compare those proposals separately from the geometric number of turbines that fit a rectangle.
Export the accepted observation period, quality decisions, instrument revisions and derived summaries. Keep raw data and rejected intervals with the analysis so a later revision can be reproduced. When generation becomes available, reconcile energy on matching meter/period boundaries and update the assessment openly.
Document the heights and assumptions of the proposed paired or reference-height comparison. · Reconcile paired-height speed observations and the derived exponent.
Specify distinct gust and mean averaging durations before comparing statistics. · Calculate gust factor and turbulence intensity from actual compatible measurements.
Summarize accepted direction-duration rows and show the represented period coverage. · Retain duration-weighted direction and kinetic-resource shares. · Preserve a comparable direction/coverage summary for subsequent periods.
Calculate curve energy while preserving period coverage and documented losses.
Integrate a fitted Weibull distribution or reconcile observed period energy. · Compare measured delivered energy with actual period hours and the stated rating.
Inspect the actual curve interpolation at selected resource points.
Compare resource-bin curve energy at two specified heights.
Keep geometric grid fit separate from supplied modeled layout energy.
Retain the actual spacing and rotor-envelope assumptions.
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Measurement exposure and the relation to longer-term wind conditions affect site assessment.
Resource distributions and chronological records must retain their intended model basis.
Shape and scale are distinct distribution parameters; scale is not the mean speed.
New vegetation, construction or a sensor move can break comparability across periods.
A fitted distribution is a model to evaluate, not a replacement for the original observations.