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VizualStocks API
PUBLIC DATA DEFINITIONS

Stem KPI & segment coverage

Operating KPI and segment definitions available for Stem (STEM) through the VizualStocks API.

STEM9 metric seriesCatalog checked 2026-10-28

Active metrics 8

COMPANY KPI

Bookings

Total value of executed customer purchase orders for storage or edge hardware plus software and service contracts booked during the period. Since Q1 2025, Stem excludes contracts without a purchase order; hardware is generally recognized at delivery while service value is recognized over the contract term.

bookings
Frequency
quarterly / annual
Reported history
Q1'20 — Q2'26
History endpoint
COMPANY KPI

Contracted Annual Recurring Revenue

Annualized revenue from operating Stem subscription contracts plus signed subscription orders for systems not yet operating, including PowerTrack, storage software, recurring managed services and certain recurring professional services. Since Q1 2025, non-operating contracts count only when an executed purchase order exists.

contractedAnnualRecurringRevenue
Frequency
quarterly / annual
Reported history
Q1'22 — Q2'26
History endpoint
COMPANY KPI

Contracted Backlog

Value at period end of executed purchase orders for hardware and non-recurring services that Stem has not yet recognized as revenue. Since Q1 2025 it excludes recurring subscription value, which is tracked in CARR, and decreases as hardware is delivered or services are performed.

contractedBacklog
Frequency
quarterly / annual
Reported history
Q4'20 — Q2'26
History endpoint
SEGMENT

Hardware Revenue

Revenue from Stem edge devices used to collect and control site data plus resale of third-party battery energy-storage systems. It is generally recognized when the equipment and ancillary components are delivered, and battery resale has been strategically de-emphasized in favor of software and services.

hardwareRevenue
Frequency
quarterly / annual
Reported history
Q1'20 — Q2'26
History endpoint
SEGMENT

Rest Of The World Revenue

Revenue from customers located outside the United States for Stem's clean-energy software, services and hardware. Geography follows the customer's location rather than the location where equipment was manufactured.

restOfTheWorldRevenue
Frequency
quarterly / annual
Reported history
Q1'22 — Q2'26
History endpoint
SEGMENT

Services Revenue

Revenue from Stem's energy-optimization and PowerTrack asset-management software, recurring managed services, project and professional services, and certain project-asset sales. Subscription and stand-ready service fees are generally recognized over the service period rather than when an order is signed.

servicesRevenue
Frequency
quarterly / annual
Reported history
Q1'20 — Q2'26
History endpoint
COMPANY KPI

Solar Monitoring Assets Under Management Gigawatt Hours

Total nameplate capacity, in gigawatts, of operating solar systems monitored through Stem's PowerTrack software at period end. Despite the configured metric identifier, solar capacity is reported in GW, not energy in GWh.

solarMonitoringAssetsUnderManagementGigawattHours
Frequency
quarterly / annual
Reported history
Q1'22 — Q2'26
History endpoint
SEGMENT

United States Revenue

Revenue from U.S.-located customers for Stem's clean-energy software, services, edge devices and energy-storage hardware. Geography follows the customer's location rather than the location where equipment was manufactured.

unitedStatesRevenue
Frequency
quarterly / annual
Reported history
Q1'22 — Q2'26
History endpoint

Discontinued historical metrics 1

COMPANY KPI

Contracted Storage Assets Under Management Gigawatt Hours

Energy capacity of customer storage systems under contract for Stem software or services at period end, including projects not yet operating. Stem discontinued this broader contracted-capacity KPI after 2024 and replaced it with Storage Operating AUM beginning in Q1 2025.

contractedStorageAssetsUnderManagementGigawattHours
Frequency
quarterly / annual
Reported history
Q1'20 — Q2'26
History endpoint