Energy Yield and Economics of Single-Axis-Tracked Bifacial Photovoltaics with Artificial Ground Reflectors
Why this work is in the frame
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Bibliographic record
Abstract
Artificial ground reflectors can potentially increase bifacial gain significantly, but their financial viability and ideal configuration are still unclear. We studied the performance of single-axis-tracked bifacial photovoltaic modules through ray-tracing modeling and site field measurements. Reflectors can increase rear irradiance by nearly 140%, front irradiance by 1.1%, and total irradiance by 6.8% over one year. Field measurements demonstrated that reflectors increased daily energy yield up to 6.2%. In both modeling and field tests, the ideal placement of the reflectors was directly under the module due to the significant resulting increase in rear irradiance. Levelized cost of energy calculations demonstrated that reflectors could be financially viable with costs of up to $2-4/m2.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it