Get more value from your energy investments with Athena®, Stem’s unified optimization platform
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Athena® is Stem’s trusted enterprise platform that unlocks flexibility across the clean energy value chain. By sitting in between distributed energy resources (DERs), the utility, and grid controls, Athena makes it easy to maximize energy asset performance and investments.
30+ Million
Runtime hours of leveraged data
5 GWh
1,000+
25+ GW
Solar assets under management
200,000+
Solar sites worldwide
10-30%
Use cases
Athena’s proprietary applications provide organizations with windows into your clean energy optimization in one unified platform.
Asset
Management
Asset Management
Wholesale Market Participation
Wholesale Market Participation
Project
Valuation
Project Valuation
System
Resiliency
System Resiliency
Sustainability Management
Sustainability Management
EV Charging Management
EV Charging Management
Bill
Optimization
Bill Optimization
Grid
Services
Grid Services
How Athena Works
Athena empowers organizations to confidently deploy and monetize clean energy technologies at scale through an extensible platform.
With over a decade of experience, Athena integrates assets across the clean energy ecosystem, including solar, storage, and EV charging management. Athena also interfaces with other platforms for data about weather, market prices, utility rates, and other factors that are crucial to successful projects. Whether you’re a project developer, solar EPC, or asset owner – and even if you’re a consumer, EV fleet operator, or utility – we can help you get the most out of your clean energy portfolios and strategy.
200+
10+
Daily
33,000+
500,000+
87
Patents across solar & storage asset performance
