Significantly reduce imbalance costs

Get faster forecast error detection with near real-time data.

Reduce solar forecast errors

What is RES Connect?

Power your Smart Energy Trading Solution with Connect and scale faster.


Easy asset management

Connect and process the data of 1000’s of energy assets – Electric vehicles, Solar, Meters, Heat pumps, Batteries.

Process data in the cloud

No hardware needed, enables direct access to the solar inverter and processes the data in the cloud.

Powerful data for easy consumption

Harmonize and standardise data across all OEMs for easy plug & play usage.

Modular solution

With re.alto’s network of partners, handle requirements such as device provision, 3rd party analytics, and data trust/verification.


Simple data access via 1 universal API

Access hundreds of manufacturers, dozens of protocols, and many different data standards and simply add and remove assets with one communication protocol, one standard, one simple API.

Near real-time & historical data

Get near-real-time insights into the performance and behaviour of the assets, like historical averages, load profiles, aggregations, and so on.

Insights & aggregations

Post-process data and abstract calculations.
Forecast in near real-time, quickly detect forecast errors, and balance your position on the intraday market.

Easily add & remove assets

Add & remove assets as needed with a simple tick of a box! Significantly reduce your costs and pass those savings on to your customers!


No additional hardware needed

Connecting directly to devices and processing data in the cloud mitigates the need for hardware, saving you significant up front costs.

Steer & control assets

Facilitate scheduled or real-time steering and control of assets. Remotely manage PV output with the ability to control power output when energy prices are negative.

Seamless experience

Easy adding and removing assets, enables seamless asset integration experience for your customers, ultimately increasing the value of your solution.

Consent & rights GDPR (ISO 2701) compliant

Easily integrate the highest level of data security and protection in your applications and solutions, enhance governance and risk management.

One interface to rule them all

Standard API

An energy specific API related to smart charging use cases


As a service fee structure that grows with your business


First line support regardless of the car brand

Simple integration

An easy – one time installation

Scale faster

Connect to all data with one integration

Assets & devices

Solar inverters, electric vehicle OEMs, batteries, meters, etc

Individual OEM generic API

re.alto logo

re.alto Connect RES

Energy specific standardised API

Consumer of data

Traders, Retailers, Grid operators, Energy services

Who is it for?

Energy traders 

Solar energy is one of the most influencial parameters in your imbalance costs. Detect anomalies quickly, and balance your portfolio whenever your forecast deviates. 90% of your imbalance costs are made in less then 10% of the time. Make sure you don’t miss the window of opportunity.  

Distribution grid operators 

Solar energy is increasingly penetrating the low voltage networks. Detect local area voltage problems quickly and serve your customers before they become aware of the issue.  

Transmission system operators 

Keep track of the solar energy ramp up in your grids to support your dispatch decisions. Fuel your solar forecasts with the most accurate and reliable data source available.  

Energy monitoring systems 

Benchmark the solar generation of your client against the local area he is active in. Identify local or grid related problems and inform your customer accordingly.  

Local energy community 

Consume renewable energy locally as it is produced in your area. Keep track of solar generation on a postal code level. 

(Local) authorities 

Keep track of the renewable energy generation and CO2 savings in your area. Support the energy transition locally by providing a direct feedback loop to your citizens.  

Smart energy trading solutions use case

Increase your solar forecast accuracy with near real-time inverter data

Reduce solar forecast errors
Smart Charging use case
Power your smart charging solution with Connect and reduce time to market as well as acquisition costs.
Learn more
Smart energy trading solutions use case
Increase your solar forecast accuracy with near real-time inverter data
Learn more
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