IEEE 2030.5
DOE PrioritySmart Energy Profile 2.0
DOE/NIST-endorsed national standard for grid-to-DER communication. Required by California Rule 21 for smart inverters. The foundation for grid-interactive distributed energy.
OpenADR 2.0b
Grid-InteractiveOpen Automated Demand Response
Utility-to-building demand response signaling. The bridge between BTM resources and grid operator dispatch — enabling coordinated load shifting and price-responsive behavior.
IEEE 1547-2018
FoundationalDER Interconnection Standard
The foundational standard for connecting distributed energy resources to the electric grid. Updated in 2018 to require smart inverter functions including voltage and frequency ride-through.
OCPP 1.6 / 2.0.1
EV IntegrationOpen Charge Point Protocol
The universal open standard for EV charger communication. Enables vendor-agnostic control of charging sessions, power levels, and scheduling across any OCPP-compliant charger.
SunSpec Modbus
Solar IntegrationSolar Industry Data Standard
Industry-standard protocol for solar inverter communication built on Modbus TCP. Supported by Enphase, SolarEdge, SMA, Fronius, and virtually every commercial inverter manufacturer.
CTA-2045
DOE PriorityModular Communications Interface
DOE-backed standard for communicating with energy-using products — water heaters, HVAC, pool pumps, and other controllable loads. Enables load flexibility without replacing existing appliances.
MQTT / Matter
Smart HomeIoT & Building Automation Protocols
MQTT for lightweight edge-to-cloud messaging across IoT devices. Matter for emerging device interoperability. Both enable real-time telemetry from submeters, sensors, and building controls.
Green Button / ESPI
Consumer DataConsumer Energy Data Access
Standardized access to utility usage data, enabling Cortex AI to ingest historical consumption patterns and real-time meter readings for optimization without utility-specific integrations.
Vendor Cloud APIs
Immediate CompatibilityManufacturer Integrations
Direct API connectors for Enphase, EcoFlow, Tesla, ChargePoint, Ecobee, and Shelly — providing immediate device compatibility while standards-based protocols mature across the ecosystem.