Photovoltaics: make the most of solar energy

More self-consumption and lower costs with intelligent energy management.

How to get the most out of your PV system

LOXONE measures generation and consumption, decides with foresight what pays off right now—using, storing, or exporting to the grid—and controls your loads accordingly, from the heat pump to the EV.

PV system with energy management: the benefits

What you need

PV energy management also works with your existing system. The Miniserver integrates common inverters, batteries, and devices—all you need are a few LOXONE components and setup by a certified LOXONE Partner.

An open system for your PV technology.

Inverters and batteries from common manufacturers such as Fronius, SMA, Kostal, or Huawei are easy to integrate. You can find the complete, up-to-date list in the LOXONE Library.

FAQs

What is an energy management system for photovoltaics?

An energy management system for photovoltaics is a control system that automatically sends self-generated solar power to where it makes the most sense—instead of exporting it to the grid unused. It continuously measures how much power is generated and consumed, and switches loads such as the heat pump, water heater, or Wallbox exactly when solar power is available. This increases self-consumption and lowers your electricity bill.

Photovoltaics is only one part of it: LOXONE controls energy management throughout the building and connects it with the entire building automation.

Does it work with my existing PV system?
Yes, it’s easy to retrofit. You can also integrate a PV system that’s already installed—so you don’t need to have planned for LOXONE from the start. The Miniserver and the necessary components are added later, and your system keeps running in the meantime. A certified LOXONE Partner checks in advance whether your inverter supports a suitable protocol and sets everything up.
Which inverters is LOXONE compatible with?

With most common models. Some, such as those from Fronius, are supported directly; many others like SMA, Kostal, Huawei, or SolarEdge can be integrated via the open Modbus standard. You can see whether your model is included and how it’s connected in the LOXONE Library.

Can I charge my electric car with my PV system?
Yes, with the LOXONE Wallbox you can charge your EV specifically with your PV surplus (from as little as 1.38 kW) or with low-cost electricity from your dynamic utility rate. Based on your settings, LOXONE automatically decides whether the solar power is better used for the car, other loads, or the battery.
Is solar energy management worth it without a battery?
Yes, even without a battery you use more of your solar power, because the heat pump, water heater, or Wallbox run automatically when the sun is shining. Without a battery, however, you can only use the power that’s needed at that moment—the rest goes to the grid. A battery closes exactly this gap: it stores the surplus until you need it.
Is PV control worth it in winter, too?

Yes, even though the yield is lower. A PV system still delivers a meaningful share of its annual yield in winter, and that’s exactly when LOXONE puts every kilowatt-hour to work for heating and hot water. More on this: Photovoltaics in winter.

How does LOXONE know the weather forecast?

Via the LOXONE Weather Service and the PV production forecast: the Weather Service delivers location-specific forecast data up to 66 hours in advance directly to your Miniserver. Based on this, the PV production forecast calculates how much power your system is expected to produce over the next 72 hours. This way, the system knows when storing or using power directly pays off. The Miniserver needs an internet connection for this.

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More about energy management

We’ve summarized all the features and benefits of our intelligent energy management for you here.