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arxiv: 2606.23425 · v1 · pith:Z4DEXDS4new · submitted 2026-06-22 · 💻 cs.LG · cs.CE· cs.SC

Interpretable Kolmogorov-Arnold Network with Feature-Isolated Temporal Attention Mechanism for Electricity Load Forecasting

Pith reviewed 2026-06-26 08:33 UTC · model grok-4.3

classification 💻 cs.LG cs.CEcs.SC
keywords electricity load forecastingKolmogorov-Arnold Networkinterpretabilitytemporal attentionhuman mobilitytime series forecasting
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The pith

A hybrid attention-KAN model forecasts electricity load competitively while revealing interpretable mobility effects.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper presents LoadKAN, which uses a feature-isolated temporal attention mechanism to process each input feature's temporal dynamics separately before passing distilled representations to a Kolmogorov-Arnold Network. This design allows the KAN's learnable activation functions to expose non-linear relationships between mobility patterns and load. On three U.S. electricity market datasets, LoadKAN performs on par with extensively tuned black-box deep learning models. The interpretability feature supports detailed sensitivity analysis of how different mobility patterns affect demand in each market. Such transparency addresses a key limitation of standard neural forecasting approaches.

Core claim

LoadKAN is a novel hybrid framework that combines a feature-isolated temporal attention mechanism with a KAN module; the attention stage extracts temporal dynamics from each input feature independently to supply the KAN with representations for interpretable predictions, and evaluations show it competes with state-of-the-art black-box models while enabling granular analysis of non-linear mobility-load relationships through KAN-learned activation functions.

What carries the argument

Feature-isolated temporal attention mechanism that independently extracts temporal dynamics from each input feature to feed the KAN module.

If this is right

  • Remains competitive with state-of-the-art black-box deep learning models on three U.S. electricity market datasets.
  • Enables granular analysis of learned non-linear relationships between six mobility patterns and electricity load.
  • Supports quantitative sensitivity analyses revealing complex and market-specific dependencies on mobility features.
  • Generates insights often hidden in black-box neural forecasting models.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • Similar hybrid designs could improve interpretability in other forecasting tasks involving multiple input streams.
  • The market-specific mobility dependencies indicate that general models may miss local patterns in load prediction.
  • Isolating features in attention might help reduce spurious correlations in time-series models more broadly.

Load-bearing premise

The feature-isolated temporal attention can extract temporal dynamics from each feature independently to give the KAN representations that produce reliable insights into mobility-load relationships.

What would settle it

A test showing that the activation functions learned by the KAN do not correspond to verifiable patterns in the mobility data or that LoadKAN accuracy falls below that of the compared black-box models on the evaluation datasets.

Figures

Figures reproduced from arXiv: 2606.23425 by Hao Wang, Jinhao Li.

Figure 1
Figure 1. Figure 1: Load profiles of NYISO, CAISO, and ERCOT. [PITH_FULL_IMAGE:figures/full_fig_p003_1.png] view at source ↗
Figure 2
Figure 2. Figure 2: Mobility features of CAISO, NYISO, and ERCOT. [PITH_FULL_IMAGE:figures/full_fig_p004_2.png] view at source ↗
Figure 3
Figure 3. Figure 3: The LoadKAN framework. stages: first, a non-entangled temporal feature processing stage captures the dynamics of each input feature sequence indepen￾dently; second, a KAN module models the relationships be￾tween these processed feature representations and the final load forecast. The following section provides a rigorous mathemati￾cal formulation of each module within LoadKAN. For a specific forecast initi… view at source ↗
Figure 4
Figure 4. Figure 4: Performance improvements after integrating mobility features. [PITH_FULL_IMAGE:figures/full_fig_p010_4.png] view at source ↗
Figure 5
Figure 5. Figure 5: Visualizations of learned activation functions in the NYISO market. [PITH_FULL_IMAGE:figures/full_fig_p012_5.png] view at source ↗
Figure 6
Figure 6. Figure 6: Visualizations of learned activation functions in the CAISO market. [PITH_FULL_IMAGE:figures/full_fig_p012_6.png] view at source ↗
Figure 7
Figure 7. Figure 7: Visualizations of learned activation functions in the ERCOT market. [PITH_FULL_IMAGE:figures/full_fig_p012_7.png] view at source ↗
Figure 10
Figure 10. Figure 10: Sensitivity of learned activation functions in the ERCOT market. [PITH_FULL_IMAGE:figures/full_fig_p013_10.png] view at source ↗
read the original abstract

Accurate electricity load forecasting is a crucial prerequisite for stable power system operations. While prevalent deep learning models present competitive performance, they often operate as black boxes and lack interpretability. While the Kolmogorov-Arnold network (KAN) has emerged as a promising alternative because of its learnable activation function design, its direct application to time-series forecasting faces challenges in modeling complex temporal data patterns. Also, simple integration into existing architectures, such as serving as replacement of neural modules, cannot fully leverage KAN's interpretability strengths. To address these gaps, this study develops LoadKAN, a novel hybrid and interpretable framework for load forecasting that synergistically combines a specifically-designed feature-isolated temporal attention mechanism with a KAN module. The attention stage aims to extract temporal dynamics from each input feature independently, such as historical load and human mobility, providing distilled feature representations to the KAN module for interpretable predictions. When evaluated on datasets from three representative U.S. electricity markets, our LoadKAN remains highly competitive when compared to extensively-tuned, state-of-the-art, black-box deep learning benchmarks. More importantly, LoadKAN's interpretability enables a granular analysis of the learned non-linear relationships between six distinct mobility patterns and electricity load. Through KAN-learned activation functions, our quantitative sensitivity analyses on mobility features reveal complex and market-specific dependencies. These findings further demonstrate the ability of our LoadKAN to generate insights often obscured by opaque black-box neural forecasting models.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

2 major / 0 minor

Summary. The paper proposes LoadKAN, a hybrid architecture that pairs a feature-isolated temporal attention stage (intended to distill independent temporal dynamics from each input feature such as historical load and six mobility patterns) with a Kolmogorov-Arnold Network (KAN) module. It claims that the resulting model remains competitive with extensively tuned black-box deep-learning baselines on three U.S. electricity-market datasets while additionally supplying interpretable univariate activation functions that reveal market-specific non-linear mobility-load relationships.

Significance. If the performance comparisons are statistically sound and the KAN activations can be shown to reflect genuine rather than artifactual structure, the work would offer a concrete route to interpretable load forecasting that exploits mobility data. The interpretability component, however, rests on an unvalidated assumption that the attention stage supplies the KAN with representations free of residual temporal leakage or spurious correlations; without supporting ablations or external checks this contribution remains provisional.

major comments (2)
  1. [Abstract] Abstract: the claim of 'highly competitive' performance against 'extensively-tuned, state-of-the-art, black-box deep learning benchmarks' is asserted without any reported metrics, baseline specifications, statistical tests, or error analysis, rendering the central empirical claim impossible to evaluate from the provided text.
  2. [Abstract] Abstract (interpretability paragraph): the assertion that 'KAN-learned activation functions' and 'quantitative sensitivity analyses on mobility features reveal complex and market-specific dependencies' is load-bearing for the interpretability contribution, yet no ablation of the feature-isolated attention, consistency check across random seeds, or external validation against known mobility-electricity elasticities is described; the design alone does not guarantee that the univariate functions are non-spurious.

Simulated Author's Rebuttal

2 responses · 1 unresolved

We thank the referee for the constructive feedback. We agree that the abstract would benefit from greater specificity to support its claims and will revise it accordingly. We address each major comment below.

read point-by-point responses
  1. Referee: [Abstract] Abstract: the claim of 'highly competitive' performance against 'extensively-tuned, state-of-the-art, black-box deep learning benchmarks' is asserted without any reported metrics, baseline specifications, statistical tests, or error analysis, rendering the central empirical claim impossible to evaluate from the provided text.

    Authors: We acknowledge that the abstract does not include quantitative details. The full manuscript (Experiments section) reports MAE, RMSE, and MAPE on the three U.S. market datasets, with comparisons to extensively tuned LSTM, GRU, Transformer, and other baselines, including hyperparameter search procedures and error analysis. Statistical significance across random seeds is assessed via paired tests. In revision we will condense these results into the abstract (e.g., 'LoadKAN achieves X% lower MAE than the best baseline on average') while retaining the high-level claim. revision: yes

  2. Referee: [Abstract] Abstract (interpretability paragraph): the assertion that 'KAN-learned activation functions' and 'quantitative sensitivity analyses on mobility features reveal complex and market-specific dependencies' is load-bearing for the interpretability contribution, yet no ablation of the feature-isolated attention, consistency check across random seeds, or external validation against known mobility-electricity elasticities is described; the design alone does not guarantee that the univariate functions are non-spurious.

    Authors: The manuscript presents the KAN activation functions and sensitivity plots in the Results section, showing market-specific non-linear patterns. We agree the abstract does not reference supporting checks. In revision we will add a sentence pointing to the relevant figures and note that the feature-isolated attention processes each input stream independently before the KAN stage. We will also include a short consistency analysis across seeds. External validation against published mobility-electricity elasticities is not performed in the current work and would require additional domain datasets; we will therefore qualify the claim to reflect the evidence actually provided. revision: partial

standing simulated objections not resolved
  • External validation of the learned mobility-load relationships against independent econometric elasticities, which is outside the scope of the present datasets and would require new data collection.

Circularity Check

0 steps flagged

No circularity; empirical evaluation independent of self-defined quantities

full rationale

The paper describes a hybrid architecture (feature-isolated temporal attention feeding a KAN module) and reports empirical performance on three external U.S. electricity market datasets against black-box benchmarks. No derivation chain, equations, or fitted-parameter predictions are presented that reduce to the model's own inputs by construction. Interpretability claims rest on post-hoc inspection of learned KAN activations rather than any self-referential prediction or uniqueness theorem imported via self-citation. The central claims therefore remain externally falsifiable and do not collapse into the architecture's fitted values.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

Only the abstract is available; no equations, parameter counts, or modeling assumptions are stated, so the ledger remains empty.

pith-pipeline@v0.9.1-grok · 5797 in / 1026 out tokens · 24443 ms · 2026-06-26T08:33:48.898216+00:00 · methodology

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