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Design and Analysis of a Grid-Tied Solar System with Deferrable Air-Conditioning Load for Lahore, Pakistan

2025· article· en· W4411482751 on OpenAlexaffabout
Waseem Ijaz, Muhammad Tariq Iqbal

Bibliographic record

VenueEuropean Journal of Energy Research · 2025
Typearticle
Languageen
FieldEnvironmental Science
TopicEnergy and Environment Impacts
Canadian institutionsMemorial University of Newfoundland
Fundersnot available
KeywordsRenewable energyEnvironmental scienceAutomotive engineeringSolar powerPhotovoltaic systemElectric power systemAir conditioningEnvironmental economicsElectricityElectrical engineeringEngineeringEnvironmental engineeringPower (physics)EconomicsMechanical engineering

Abstract

fetched live from OpenAlex

This research investigates the structure and performance testing of a solar power system set up at a house in the Lahore, Pakistan. The system comprises Canadian Solar Max Power CS6U-340M solar panels with a top capacity of 7.50 kW and an average daily output of 28.9 kWh. The study incorporates recent proposed changes by NEPRA, including adjustments to grid rates for fed-back power. The current rate of WAPDA is 8 cents per kWh, whereas the proposed rate considered in this study is 3.9 cents per kWh. These adjustments result in a decrease ROI that can be by adding deferrable loads, such as heat-pump load. The designed system effectively handles an electrical load of 16.00 kWh/day, reaching renewable penetration of 81.9%. The yearly average power output fed back to the grid ranges from 0.40 kW to 1.2 kW, with seasonal variations leading to a production of 0.5 kW to 1.7 kW. The system purchases an average of 1.4 kW from the grid while selling back 2.4–3.4 kW. A comparative analysis between the old and new design reveals the economic implications of the government’s reduction in electricity buyout rates for consumers, emphasizing the system’s cost-effectiveness. The introduction of deferrable heat pump loads shows a positive impact on the overall production and sustainability of the system. These findings confirm that a hybrid solar power system is an economically viable and environmentally friendly choice for residential power generation.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.004
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.900
Threshold uncertainty score0.335

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0040.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.036
GPT teacher head0.297
Teacher spread0.261 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2025
Admission routes2
Has abstractyes

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