Grid Impact Model
Localized EV and electrification forecasting, transformer screening, managed charging economics, DSM, DER and VPP applications.
MAISY Website Directory
Find Grid Impact Model, forecasting and data resources.
Start with current utility grid-planning applications, or browse supporting technical pages, customer databases, analysis services and company information.
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Recommended starting points
Current Grid Impact Model pages
These pages provide the clearest overview of Jackson Associates' current utility planning applications.
GIM Resource Center
Executive summaries, model examples, presentations, videos, papers and related utility planning resources.
Grid Impact Analysis Reports
Board-ready utility analysis using GIM without licensing or operating the full model.
Example GIM Workbook Session
Walk through model inputs, customer and geographic dashboards, hourly results and scenario outputs.
Utility applications
EV forecasting and distribution planning
Focused explanations of the forecasting methods and planning decisions supported by GIM.
EV Load Forecasting for Utilities
Customer-level adoption and localized managed or unmanaged 8,760 charging-load forecasts.
Distribution Grid Stress Analysis
Block-group and localized forecasting to help prioritize transformer and feeder review.
Non-Wires Alternatives Modeling
DSM, DER, managed charging, storage and VPP strategies as alternatives to conventional upgrades.
When Does Managed Charging Pay?
Co-op managed charging breakeven analysis and the importance of G&T demand charges.
Customer Digital-Twin EV Forecasting
How representative households support adoption, charging and localized hourly-load forecasts.
Electrification and Distribution Grid Stress
Why geographic clustering and hourly coincidence matter for residential electrification planning.
Customer and hourly-load information
MAISY databases
Residential and commercial customer records, hourly loads, end-use detail, buildings, equipment, demographics and geographic information.
MAISY Database Summary
Overview of residential, commercial, RECS, EV and hourly-load database options and applications.
8,760 and 15-Minute Loads
Whole-building and end-use load data for customers, segments and geographic areas.
Residential ZIP and Block-Group Data
Household, dwelling, commuting, energy-use, EV and hourly-load information for local analysis.
MAISY RECS Hourly Loads
8,760 whole-building and end-use loads plus emissions for households in the EIA RECS survey.
Database Questions and Answers
Methods, variables, geographic coverage, formats and applications of MAISY customer databases.
MAISY Application Examples
Utility forecasting, EV analysis, technology assessment, demand response, storage and market applications.
Supporting methods and services
Analysis, forecasting and technical resources
Broader Jackson Associates capabilities and reference material supporting current and historical applications.
MAISY Analysis and Consulting
Utility forecasting, GIM support, technology analysis, customer segmentation and strategic energy-market applications.
Agent-Based Energy and Load Forecasting
CEDMS and REDMS end-use models for energy, peak, technology, DSM and long-term utility forecasts.
MAISY Publications
Technical papers, application notes and articles covering load data, forecasting and energy analysis.
Miscellaneous Applications
Additional MAISY topics and selected technical or historical application material.
Jackson Associates
Company information and support
Learn about the experience behind MAISY and GIM, review representative clients or begin a conversation.
About Jackson Associates
Customer-level load intelligence, utility analytics experience and the current focus on GIM applications.
Representative Clients
Utility, cooperative, government, research, technology and consulting organizations served.
Contact and Demonstration Request
Request a guided GIM demonstration, discuss a report or ask about MAISY data and analysis.
MAISY Home Page
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