SMEs and commercial sites
Energy costs you can plan.
For businesses, energy is both a cost factor and an operational necessity. COR turns your site into an energy system that grows with the company.
Volatile prices, growing demand, possible outages.
That makes planning harder and increases economic risk.
What matters to you
Predictable energy costs, operational reliability, economically viable self-supply and infrastructure that can grow with the business.
When the question comes up
- High or rising energy costs
- Investment in buildings or production
- Grid failures
- Expanding your own generation
- Aiming to draw less from the grid
Calculator
What does COR.stor do for your business?
Work out how much PV power your business uses itself with COR.stor and what that saves — and how long the key loads can be supplied in a grid outage.
Type of business
It is on the site’s electricity bill.
Storage size
Each COR.stor offers 70 kWh of usable capacity, expandable to 210 kWh. Larger storage is designed individually.
Electricity tariff
Your result
Calculating …
Demand charge on your electricity bill?
COR.stor can shave load peaks. How much that brings depends on your load profile. Send us the 15-minute values from your grid operator’s customer portal — we will work it out for you free of charge.
Send your load profileYour site as an energy system.
Generate
COR.set
Several COR.set systems supply space heating and hot water and, in the heating season, power from one fuel.
Discover COR.setStore
COR.stor
COR.stor buffers power from PV and COR.gen, shaves peak loads and keeps critical processes running during a grid failure.
Calculate your storage: COR.storControl
COR.app
Generation, storage and consumption are controlled together — for more self-consumption and less expensive grid power.
Explore the controls: COR.appWhat can be measured.
Output per COR.stor
Depending on the variant.
Storage units combined
70–210 kWh usable; larger arrays are designed individually.
Switchover on grid failure
Capable of island mode and black start.
Overall efficiency, COR.gen, standard test
Based on net calorific value, direct method.