PowerTrack™ EMS

Get your assets online faster. Ensure compliance. Maximize revenue.

Your complete solution for solar, energy storage & hybrid energy management
  • Fast deployment – Reduce commissioning engineering hours by 32%
  • Maximize uptime – 99.99% controller reliability keeps assets online
  • Full control – Advanced control modes for grid services enabling revenue stream optimization
  • Hybrid-ready – Transform solar projects into hybrid systems with minimal infrastructure changes

Maximize Your Revenue throughout the Project Lifecycle

Development

  • Fast Deployment – Cut commissioning time through automated tuning and remote setup. Get to revenue faster with standardized integration.
  • Smart Integration – Work with most major battery or PCS suppliers. Choose the best equipment without software restrictions.

Operation

  • Multiple Revenue Streams – Determine your optimization strategy across frequency response, voltage support, and energy trading facilitated by our advanced controls.
  • Reliable Performance – 99.99% uptime means consistent revenue. Real-time optimization prevents costly outages.

Expansion

  • Easy Hybridization – Add storage to existing solar sites with minimal to no hardware changes. Maximize your existing investments.
  • Portfolio Growth – Scale from single sites to entire portfolios with unified management and full visibility.

Architecture

PowerTrack EMS delivers complete asset control by combining proven on-site hardware with intelligent cloud software. The system starts with our unified computing platform that integrates PowerTrack EMS and PPC functionality, along with data logging and communication interfaces for comprehensive monitoring.

This foundation connects to our cloud platform, where PowerTrack Software enables portfolio management, real-time analytics, and remote configuration across your entire fleet. Built on industry-standard protocols and designed to work with any major equipment supplier, the architecture scales seamlessly from individual assets to enterprise portfolios while maintaining built-in redundancy for maximum reliability.

STEM

3rd Party

Data

Controls

  • EMS : Energy Management System
  • UI: User Interface
  • PPC: Power Plant Controller
  • PCS: Power Conversion System
  • BESS: Battery Energy Storage System
  • PV: Photovoltaic

EMS User Interface (UI)

Stem’s EMS UI provides an on-premise operator interface for system configuration, monitoring, and control of solar, energy storage and hybrid assets. This interface serves as the primary interaction point for on-site or remote technical management, offering equivalent functionality to standalone SCADA systems while maintaining compatibility with existing SCADA infrastructure when required.

Advanced Capabilities

01

Real-Time Adaptive Monitoring and Trends

Add monitoring points instantly without system interruption

02

Advanced Scheduler

Temporal, priority, and mode-based scheduling with day-ahead SOC targeting

03

Advanced PID Tuning with Real-Time Visual Feedback

Real-time visual feedback for remote commissioning.

04

Device-Level Site Configuration

Granular control for diverse asset configurations

05

Sophisticated Control Modes

enabling participation in diverse grid services markets, with further control modes in development

Hybrid Projects Made Simple

  • Future Hybrid Capability – Install solar with EMS that enables seamless transition to hybrid operations when storage is added
  • Solar-to-Hybrid Transformation – Convert existing solar installations to integrated hybrid systems leveraging current infrastructure and Stem's EMS solution
  • Complete Hybrid Control – Deploy new hybrid sites with unified controls, delivering maximum performance from day one
Learn more about how PowerTrack EMS can help optimize your hybrid assets.
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