Fractal Model X™ is an Excel-Based Technoeceonomic Energy Storage Modeling Package for Project Feasibility Design, Analysis and Financing

Fractal Model X™ is available through a license with quarterly updates.

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Fractal Energy Storage Consultants is the leading provider of robust finance models for the energy storage industry. Fractal has spent years developing and optimizing powerful models that simulate performance, degradation, costs and revenues to evaluate total cost of ownership and maximize IRR. We supply these tools to utilities, energy companies and investors. Fractal Model X™ features include:

  • Technical Design, Financial Analysis and Optimization of Projects
  • De-Risk a Project by Understanding Costs and Running Sensitivities
  • Standalone Storage, PV+S, W+S Analysis
  • AC- and DC-Coupled PV+S Configurations
  • PV+S Sizing and Optimization
  • Detailed Time Series Simulations (Hourly, Minute or Second)
  • Detailed Calculations: SOC, RTE, OPEX, CAPEX, ITC, Oversizing, Depreciation
  • Stack Applications and Create Custom Dispatches
  • Optimize the Dispatch to Maximize Returns
  • Preconfigured and Custom Battery Chemistries with Degradation
  • Financial Due Diligence of Projects
  • Paste in Historical Prices or a Forecast
  • Templates for NYISO, ISO-NE, PJM, ERCOT, CAISO, SPP and MISO
  • Sensitivity Analysis and Off-Take Structuring
  • Total Cost of Ownership for RFP Bids


  • Immediate delivery of the Fractal Model and templates for multiple business models across U.S. ISO/RTO
  • 25 prepaid support hours that can be utilized for training, customization or analysis
  • Access to quarterly model updates for 2 years
  • All models constructed for future analysis (analysis contracted separately or using support hours)
  • Optional on-site training (travel excluded)

Version 20.3 Newest Features and Functionality

New User Interface
  • More intuitive user interface
  • Descriptive notes and hints for input fields
System Design
  • Visually configure PV+S and W+S, and PV+W+S
  • Choose formula or static component efficiencies
  • Input custom static efficiency
  • Input inverter production for solar
Application Inputs
  • Improved user interface for application inputs
  • Select application for calculating best performance hours
  • Updated dispatch settings
State Incentives
  • Built-in Massachusetts SMART incentives
New Calculation Engine
  • Easily follow charge flow in math tab
  • Increased precision in calculating efficiency losses
Interactive Pricing File
  • Calculate pricing for NMC and LFP
  • Different project sizes and CODs