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Energy Simulation Software

Understand What’s Ahead. Decide What’s Next.

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The Future Isn't Singular. Your Planning Shouldn't Be Either.

 

Power system planning teams face more uncertainty, more scenarios, and tighter timelines. Yet many modeling workflows still depend on disconnected tools, manual handoffs, and infrastructure that limits how many possibilities teams can practically explore. 


EnCompass connects capacity expansion, production cost modeling, and powerflow in one platform, with model-ready data and flexible zonal-to-nodal analysis. Change the assumptions, run more scenarios, and understand how different choices reshape market outcomes before making high-consequence decisions.

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The Right Fit for However You Plan

Utilities & IRP Teams

Resource Planning · Transmission Planning · Power Supply

Zonal analysis supports system level analysis, while nodal analysis reveals localized congestion and deliverability constraints. EnCompass unifies capacity expansion, production cost modeling, and embedded powerflow in one platform, so your team can evaluate resource and transmission outcomes in one platform.

IPPs & Developers

Development · Asset Management · Commercial

Before committing capital, IPPs and developers need to evaluate more opportunities and test how changing market and transmission conditions could reshape long-term asset value. EnCompass combines capacity expansion, portfolio analysis, nodal simulation, and embedded powerflow in one platform, so you can evaluate siting, congestion, curtailment and asset economics.

Financial Institutions

Infrastructure Investment · Portfolio Management

Transparent, defensible analysis matters when every assumption can change the investment case. EnCompass helps teams test assumptions, compare scenarios, and understand how market and transmission conditions could reshape long-term asset value.

See it in Action

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Trusted by the Teams Who Can’t Afford to Get it Wrong

Utility and planning teams, like those at Duke Energy, rely on the EnCompass model to accurately forecast the grid and account for changes and new technologies that impact their long-term outlooks. They know our team on a first name basis, and leverage our partnership and solutions to “provide the greatest value to their company.”

“We used to spend several man-hours in data processing time to extrapolate and manage data. Now our analysts can spend time doing more critical tasks.”

ACESIndependent Power Producer

“The EnCompass model serves as the cornerstone of our analytical process. It allows us to navigate and make sense of a market that's evolving at extraordinary speed, helping us to anticipate changes and identify opportunities.”

Arebise (Xiaogeng) DengSenior Fundamental Analyst, Linea Energy

“EnCompass has made it far easier to control our carbon footprint by providing visibility and insights. Because of the constraints and flow gates that enable us to watch what comes into Colorado, all we do is set the carbon limit and let the model run. We have yet to miss a target.”

Tri-StateWholesale Power Supplier & Utility

Where Legacy Modeling Breaks Down and EnCompass Delivers

Where EnCompass Excels Where Others Fall Short
✓Fully integrated platform. Capacity expansion, production cost modeling, and powerflow in one system
✕Competitors require separate tools for each layer, creating manual handoffs, version drift, and reconciliation risk
✓Seamless zonal-to-nodal modeling with shared data and workflows
✕Most competitors force a tradeoff. Zonal-first tools miss congestion and deliverability risk; nodal tools lack long-term planning capability
✓Single-pass co-optimization of energy, ancillary services, and capacity
✕Competing platforms rely on multi-pass or iterative approaches that miss key interactions, especially for storage and reserves
✓Flexible deployment. Cloud or on-premise, with elastic compute when you need it
✕Legacy solutions aren't purpose-built for elastic cloud scaling; many rely on manual scaling or core-based pricing that limits throughput
✓Embedded powerflow and visualization built in
✕Competitors require add-ons or external tools for powerflow, increasing cost and workflow complexity
✓Intuitive workflows designed for broader team adoption
✕Legacy platforms are complex to configure, limiting use to a small group of power users and creating organizational risk

Built for How Modern Planning Teams Actually Work

  • IRP

    From Zonal to Nodal

    Move from system-level planning to detailed nodal analysis within one connected modeling approach. Understand congestion, curtailment, and deliverability without rebuilding models across disconnected tools. 
  • EnCompass Software_IRP Capacity Report

    Built to Explore at Scale

    Run more scenarios, test more sensitivities, and investigate a broader range of possible futures without letting infrastructure constrain the questions your team can explore. 
  • EnCompass platform

    Designed for Real Market Complexity

    Model energy, ancillary services, capacity, storage, hybrid resources, demand response, and transmission constraints with the detail complex planning and investment decisions require. 
  • EnCompass Project Capacity

    Results You Can Explain and Defend

    Review the inputs and assumptions behind your analysis, compare outcomes across scenarios, and understand the market mechanisms shaping the results. Build conclusions that are easier to validate, communicate, and defend.  

See what EnCompass Can Do for Your Team

Request a personalized demo and we'll tailor it to your workflows, use cases, and the questions that matter most to your planning cycle.

Resources: What We’re Watching in the Market

Boost Productivity with a Cloud-Based Power System Modeling Software

BLOG

TYPE

Boost Productivity with a Cloud-Based Power System Modeling Software
Yes Energy Acquires Enelytix to Expand Nodal Modeling and Forecasting Platform

PRESS

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Yes Energy Acquires Enelytix to Expand Nodal Modeling and Forecasting Platform 
How a Developer Leverages Nodal Modeling for Renewable Energy Investment Decisions

CASE STUDY

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How a Developer Leverages Nodal Modeling for Renewable Energy Investment Decisions 

Frequently Asked Questions

How is EnCompass different from tools like Aurora, PLEXOS, PROMOD, or GridView?

EnCompass unifies capacity expansion, production cost modeling, and powerflow with both zonal and nodal analysis in a single system. Most competing solutions require multiple tools to cover the same analytical ground — creating data reconciliation overhead, version drift, and workflow fragmentation. EnCompass eliminates that by keeping everything in one integrated environment with a shared data foundation.
Can EnCompass handle both long-term planning and short-term operational analysis?

Yes. EnCompass supports both integrated resource planning and production cost modeling in one platform, allowing teams to move fluidly between long-term capacity decisions and near-term operational analysis without rebuilding models or reconciling datasets across tools.
Is EnCompass available in the cloud?

Yes. EnCompass is available in both cloud and on-premise deployments. EnCompass Cloud provides elastic compute that scales automatically with your workload. No hardware procurement, no manual scaling, no IT overhead. Teams that prefer on-premise deployment retain full control within their existing infrastructure. Both options deliver the same EnCompass workflows and capabilities.
How difficult is it to migrate from our current platform?

The Yes Energy team works closely with customers through onboarding and implementation, including on-site support where needed. Customers like ACES and Tri-State were able to reach production mode quickly following implementation. We'll tailor the transition plan to your timeline, existing workflows, and study cycles. Our team brings deep industry expertise, helping translate your existing workflows into EnCompass so you can start generating value as quickly as possible.
Who at our organization should be involved in evaluating EnCompass?

Typically the evaluation involves both the planning team who will use the platform day-to-day — resource planners, production cost modelers, transmission analysts — and the director or manager accountable for planning outcomes and infrastructure decisions. We're happy to structure the demo and discovery process to address both the technical and strategic dimensions of the decision.