Household energy flexibility platform matching local renewable generation to grid demand
Delta Green operates a technical stack built for real-time energy data: PostgreSQL + TimescaleDB for time-series storage, Node.js + TypeScript backend, React + Next.js frontend, plus RabbitMQ, MQTT, Modbus, and Grafana for monitoring — tools that reveal a company solving grid-synchronized electricity dispatch at household scale. Active projects span energy management system testing, API instrumentation, and B2B partner onboarding; pain points cluster around European sales expansion and ensuring consumption actually meets grid flexibility targets, suggesting the core challenge is moving from software to grid-integrated operations.
Delta Green builds a platform enabling Czech households to reduce electricity costs by shifting consumption toward periods when local renewable sources are generating. The product aggregates residential flexibility — controllable load and consumption patterns — to stabilize grid supply and demand, with households compensated for their participation. Originally founded in 2008 as Nano Green, the company rebranded as Delta Green in 2024 and operates as a privately held greentech startup with 11–50 employees, headquartered in Prague. Current expansion targets Western European markets, with active projects focused on partner integration, user experience refinement, and energy savings validation.
PostgreSQL + TimescaleDB for time-series data, RabbitMQ and MQTT for messaging, Modbus for device communication, Grafana for monitoring, and GCP for infrastructure.
Prague, Czechia. The company operates across European markets with expansion underway in Western Europe.
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