Energy Use Normalization via Temperature Segmentation

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Solution Overview

Problem

Current methods for normalizing energy usage across different environmental conditions are inaccurate and complex, making it difficult to compare energy usage between buildings in varying climates or with erratic weather patterns, and there is a need for improved forecasting to manage energy resources effectively in smart grids.

Innovation Solution

A computer-implemented method that generates temperature-normalized energy use intensity values by receiving energy use data and weather information, determining baseload values, and applying statistical models, such as neural networks, to account for building properties and occupancy, enabling accurate normalization and forecasting of energy use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If current normalization methods are used, then energy usage comparison is attempted, but accuracy deteriorates due to complex and inaccurate environmental adjustments

Engineering Contradiction:
Improvenormalization accuracyVSAvoidmethod complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The energy usage is segmented into distinct components: baseload consumption and temperature-dependent consumption. This segmentation allows each component to be analyzed and normalized separately, improving accuracy while simplifying the overall approach by focusing on the dominant temperature relationship rather than attempting to model all environmental factors simultaneously.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The temperature-dependent component is extracted from the total energy usage using statistical models that identify and isolate the portion of energy consumption directly related to temperature variations. This extracted component can then be normalized independently, allowing for more accurate comparisons across different climate conditions.

Inventive Principle:
Principle #2Taking out (Extraction)

2Measurement precision

If detailed statistical models are applied, then normalization accuracy improves, but computational complexity increases

Engineering Contradiction:
Improvenormalization accuracyVSAvoidcomputational complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system creates simplified statistical representations (models) of the building's energy consumption patterns based on historical data. These statistical copies capture the essential temperature-energy relationship without requiring complex real-time simulations, enabling accurate normalization with reduced computational burden.

Inventive Principle:
Principle #26Copying

3Adaptability or versatility

If temperature normalization is applied, then energy comparison across climates improves, but dependency on temperature data increases

Engineering Contradiction:
Improveclimate comparabilityVSAvoiddata dependency
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The statistical models are designed to be universally applicable across different buildings and climate zones. By establishing general temperature-normalization relationships that can be adapted to various structures, the system achieves broad climate comparability while relying on the same fundamental temperature data inputs, rather than requiring building-specific complex datasets.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS10770898B2Methods and systems for energy use normalization and forecasting
Publication Date: 2020.09.08 SCREAMING POWER INC
  • US10770898B2 patent drawing
  • US10770898B2 patent drawing
  • US10770898B2 patent drawing

AI summary

Disclosed herein are methods and systems for normalizing an energy use intensity value to compensate for variations in energy usage due to environment. Also disclosed are methods and systems for forecasting energy use intensity values.