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Validate Interconnection in Minutes, not Months

Felix helps energy infrastructure teams find viable sites, de-risk development, and get to power faster.

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Proven Impact in Grid Transformation

Our ISO-accurate tools help transmission teams de-risk interconnection and get to power faster, with over 97% accuracy against official study outcomes, across every connection point we model.

Network coverage

100%

Time to results, not months

Minutes

Connection points screened

500+

Accuracy vs. official studies

>97%

We equip transmission planning teams with transparent, ISO accurate tools to de-risk interconnection and enable efficient grid transformation.
Felix
ISO-Aligned Methodology

Aligned with official operator study methodology.

Intelligent Insights

Developed by engineers who’ve worked at ISOs, utilities, and top developers.

Proven at Scale

Every connection point modeled. Over 97% accuracy against official studies. Results in minutes, not months.

Products that scale clean energy projects

Felix supports generation and load developers, transmission planning engineers, utility teams, and ISOs by streamlining study processes and enabling transparent, aligned decision-making across stakeholders. Paces helps energy infrastructure teams find viable sites, de-risk development, and get to power.

Market Pulse

  • Enable Market Pulse to make smarter siting and queue decisions
  • Increase success rates and reduce wasted capital
  • Directly accelerates projects reaching operation
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GridSim

  • Enable large loads to enter the queue more efficiently and transparently
  • Find build-ready sites with the fastest path to power
  • Evaluate impacts of competitor projects and de-risk future buildout
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isos_utilitiess

GridHorizon

  • Make confident development and interconnection decisions across your portfolio
  • De-risk new projects with ISO-accurate cost and capacity certainty before you commit capital
  • Compare sites, queue positions, and expansion options on one transparent platform
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Development Process Designed for Visibility

Headroom Assesment
Find viable sites faster using real-time substation capacity and upgrade cost data.
  • Enable Generation Developers to make smarter siting and queue decisions
  • Increase success rates and reduce wasted capital
  • Directly accelerates projects reaching operation
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Local Studies Tool
  • Enable Generation Developers to make smarter siting and queue decisions
  • Toggle local queue assumptions across flexible, across numerous custom scenarios
  • Re-runs full ISO study methodology for fast, accurate results
  • Compare scenarios based on knowledge of competing projects in the queue
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Ready to De-Risk Your Next Project ?

Frequently Asked Questions

Still have questions?

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What does Felix do?
Felix models every connection point on the network to show real capacity, likely upgrade costs, and constraints, so you can find viable sites and de-risk interconnection before you commit capital.
Who is Felix for?
Generation and large-load developers, and the teams who plan and connect projects to the grid.
How accurate is it?
Felix delivers study-grade results with over 97% accuracy against official study outcomes.
How do we get started?
Book a demo and we’ll show Felix on your target network.
What's the source of your data?
For developers, we request the latest power flow models from each ISO / utility on your behalf to use as the basis of analysis. The data within our applications are the result of ISO and utility-specific power analysis methodologies imposed on top of these models. We use the same software as ISOs and utilities, e.g. PowerGEM’s TARA and Siemens PTI’s PSS/e.n