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SOLUTIONS FOR INDEPENDENT POWER PRODUCERS

Make Confident Calls Across Your Whole Portfolio

Felix brings ISO-accurate interconnection analysis into one view, so you can de-risk every project, protect your capital, and move your portfolio to power faster.

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1 + GW
of projects modeled
> 1 %
accuracy against ISO studies
$ 1 B+
in cost discrepancies found
1 +
developers use Felix
Wherever your assets sit in the development cycle, you have to pull together scattered interconnection, capacity, and cost data to make good decisions, both for the projects in front of you and for where the portfolio is headed. Felix puts that intelligence in one place. You can see where capacity really exists, anticipate upgrade costs before they show up in an ISO study, and manage queue risk across the portfolio today, while you weigh future development, expansion, and repowering with a clear view of how the grid is changing.

What You Need to Stay Ahead

1. De-risk your development decisions.

Decide where to build and which projects to push forward based on real substation headroom, congestion risk, and upgrade-cost exposure. The same view shows you where you can add or expand capacity later, so you protect capital now and make smarter build-out calls over time.

2. Know your costs before the ISO does.

Surprise upgrade costs sink projects. Felix replicates ERIS and NRIS methodology, so you can see the likely costs and constraints before you are deep in the queue, and move before a restudy erodes your numbers.

3. Stay ahead of the queue.

See how competing projects affect your sites, model your own scenarios, and re-run the full ISO study to watch how the picture changes. You can adjust your strategy as the queue moves around you.

4. Plan portfolio growth with confidence.

Understand where headroom and good interconnection economics exist across regions, and how they are likely to shift. You can plan today’s projects with more certainty while you weigh future development, expansion, and valuation decisions.

Solutions for IPP Workflows

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Headroom Capacity

Spot build-ready opportunities and interconnection risk using real-time substation capacity and upgrade-cost data, so you can rank the best sites across your portfolio.

Local Studies Tool

Adjust local queue assumptions across your own scenarios and re-run the full ISO study for fast, accurate results, then compare outcomes based on the projects competing with you in the queue.

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ISO-Aligned Methodology

Test your projects against the same process the ISOs use. Felix replicates ERIS and NRIS studies rather than approximating with FCITC, using PowerGEM’s TARA and Siemens PTI’s PSS®E.

Frequently Asked Questions

Still have questions?

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What makes Felix different for IPPs?
You get ISO-accurate interconnection intelligence across the major ISOs, plus tools built for siting, queue strategy, and development. Instead of approximations, Felix replicates the same ERIS and NRIS methodology the ISOs use, so you see capacity, upgrade costs, and constraints in one view. That speeds up today's decisions and supports valuation, expansion, and portfolio planning down the road.
How accurate is the analysis?
Felix matches ISO study outcomes with better than 97% accuracy. It uses the same software the ISOs and utilities rely on, PowerGEM's TARA and Siemens PTI's PSS®E, applied to the latest power flow models for each market.
Can Felix help me rank a portfolio of sites?
Yes. Headroom Capacity lets you screen and rank sites across regions using real substation capacity and upgrade-cost data, so you can put capital behind the projects with the quickest, cheapest path to power.
Can I model how competing queue projects affect mine?
Yes. The Local Studies Tool lets you adjust local queue assumptions across your own scenarios and re-run the full ISO study, so you can compare outcomes based on what else is in the queue.
How does Felix reduce portfolio risk?
It surfaces interconnection cost and capacity risk before you commit capital. Customers have used Felix to find more than $5B in cost discrepancies and to avoid advancing sites with no real transmission capacity, which protects project economics across the portfolio.
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