HUBCORE Knowledge Centre
Research translated into practical equipment and system choices: batteries, inverters, solar, wind, charging, V2X, energy aggregation and control readiness.
If a solution cannot be sufficiently controlled, measured and integrated, it does not fit the HUBCORE ecosystem.
This is an engineering and research framework, not a universal purchase or investment recommendation. It publishes no manufacturer specifications, prices, certifications or completed integrations. Final selection requires site measurement data and verified manufacturer documentation.
Practical answers
Common questions on focused answer pages: short answer first, followed by the technical reasoning and related topics.
Topics
- StorageBattery storageHow HUBCORE evaluates battery storage: power vs energy, chemistry, usable capacity, lifetime, safety and controllability.Read more
- ConvertersInverters and PCSThe inverter is where energy becomes controllable. Here the interface matters, not only efficiency.Read more
- GenerationSolar panelsSolar is the most predictable generation source on an Estonian site — provided the mounting, shading and control are right.Read more
- GenerationWind energySmall-scale wind is a complementary solution only where a measured wind resource supports it.Read more
- ChargingEV charging and V2XSmart charging up to 22 kW and a realistic picture of bidirectional charging.Read more
- FlexibilityEnergy aggregationHow many small controllable resources become one understandable and reliable whole. A development direction.Read more
- AssessmentControl readinessGreen, amber, red — how HUBCORE decides whether a device or site is fit for control.Read more
HUBCORE fit filter
Every technology passes seven checks. If any remains unevidenced, the solution does not move forward.
Controllability
Can the device be safely limited, started and stopped through a documented interface?
Measurability
Do we get trustworthy measurements (power, energy, phases, state, faults) at sufficient resolution?
Integrability
Is the interface publicly documented (e.g. Modbus, SunSpec, REST, MQTT, OCPP) and versioned?
Local operation
Do critical control and safety keep working when the vendor cloud or internet is down?
Security
Is access authenticated, are rights scoped, is traffic encrypted and firmware updatable?
Serviceability
Is it clear who owns maintenance, spare parts, firmware and fault resolution?
Scalability
Can the solution grow (more points, kWh, sites) without redesigning the architecture?