Greece has brought a significant pool of industrial rooftop and behind-the-meter solar generation within the distribution operator’s digital control perimeter, establishing infrastructure that could eventually support a broader market for flexible industrial demand.
Self-consumers operating photovoltaic installations above 400 kW connected to Greece’s interconnected system were required to install remote monitoring and remote-control equipment by September 15, following an eight-month compliance period set by distribution operator HEDNO.
The requirement also applies to photovoltaic plants installed behind the customer’s meter. Operators must submit compliance documentation covering both the equipment installed at the facility and its integration with HEDNO’s SCADA and distribution-management systems.
For now, the measure is primarily an operational and system-security requirement.
Its longer-term significance, however, lies in the digital infrastructure now being installed within industrial energy systems.
Factories that previously operated onsite solar mainly as a private asset designed to reduce electricity purchases can now become visible and technically controllable from the distribution-system level.
That changes the relationship between industrial self-generation and the electricity grid.
As rooftop and behind-the-meter solar capacity expands, distribution operators increasingly need visibility into what is happening beyond the customer’s meter.
A large photovoltaic installation can materially affect local power flows, particularly when industrial demand falls while solar output remains high.
Remote monitoring provides that visibility.
Remote control goes further by giving the network operator a mechanism to manage generation when required.
The immediate result may be greater curtailment capability, rather than a new revenue stream for industrial facilities.
But the same communications infrastructure could eventually support more sophisticated flexibility services.
Once an industrial site’s generation can be measured and controlled remotely, it becomes technically easier to combine the solar plant with flexible production loads, electric boilers, refrigeration, EV charging and other equipment through a common energy-management system.
An aggregator could then potentially optimise the entire factory connection, rather than managing only a single generation asset.
The distinction is important.
A factory might be producing 1 MW of rooftop solar while simultaneously consuming 3 MW of electricity.
The most valuable grid service may therefore not be shutting down the solar installation. It could instead involve increasing factory consumption when solar output is high or reducing electricity use later when the system becomes more constrained.
That turns the factory connection itself into a flexibility asset.
The emerging architecture could also support flexible grid connections.
Instead of reinforcing a local network whenever a new industrial load or generation project reaches its theoretical maximum, a DSO could eventually offer connection capacity subject to agreed operating limits.
Customers willing to accept remote control or automated demand management could obtain faster or lower-cost connections in exchange for providing flexibility during periods of network congestion.
This type of arrangement is becoming increasingly relevant as industrial electrification expands demand while solar generation becomes more decentralised.
Greece’s new remote-control requirement does not itself create such a commercial market.
There is no automatic payment to industrial self-consumers simply because HEDNO can remotely monitor or control their installations.
The distinction matters.
But the technical foundation is now being established.
Without telemetry, communications and controllability, local flexibility markets remain largely theoretical because the grid operator cannot reliably observe, dispatch or verify flexible resources.
Once those systems are in place, additional market products become significantly easier to introduce.
For Greek technology and energy-service providers, that could expand the addressable market.
Industrial customers will need SCADA interfaces, controllers, communications equipment, energy-management software and integration between onsite assets and distribution-system requirements.
Future aggregators could build on the same infrastructure.
The commercial opportunity could therefore shift from simply selling another rooftop photovoltaic installation towards managing the entire industrial energy system.
Solar generation, factory demand, EV charging and other flexible loads could eventually be operated as a single portfolio, with its behaviour adjusted according to electricity prices and network requirements.
Greece’s 400-kW remote-control threshold is consequently more than a technical compliance requirement.
It marks another step towards an electricity system in which large industrial customers are no longer passive endpoints of the distribution network.
Instead, they are becoming digitally visible and controllable energy nodes — a necessary foundation if Greece eventually chooses to develop commercial markets around local flexibility.
