Battery economics
Is a solar battery worth it? A practical payback method.
Installed cost, shifted energy, losses and export income: the inputs you need to assess a home solar battery.
THE ENERGY STORAGE JOURNALYour batteries.
Your batteries.
More energy.
More value.
Solar, home, mobility: understand where storage creates value. And what it takes to make that value real.
Sourced insights. Clear assumptions. No promised returns.
THE ESSENTIALSUnderstand first.
Understand first.
Then decide.
The right questions, useful calculations and the details to check before choosing a solution.
Home batteries
What battery capacity does your home need?
Understand kW, kWh, usable capacity and consumption patterns before sizing a home battery.
Home batteries
Physical battery or virtual storage: two different models.
Virtual storage is a contractual arrangement, not a remote household battery. Compare costs and conditions with a physical battery.
OUR APPROACHFewer promises.
Fewer promises.
A clearer method.
A battery is not an automatic income machine. Its value depends on your usage, contracts and the full cost of the project.
Discover our method01
Understand your needs
Use your solar generation, shift purchases or provide a grid service.
02
Calculate without shortcuts
Account for losses, fees and income you give up.
03
Check the conditions
Review warranties and confirm compatibility before committing.
THE JOURNAL
All articles ↗Explore what’s next.
V2G & mobility
V2G and V2H: what your car could do for energy.
Understand bidirectional charging, distinguish V2H from V2G and check vehicle, charger and service compatibility.
Commercial storage
BESS: where can commercial storage value come from?
Self-consumption, power management and flexibility: a framework for assessing a commercial battery storage project.
Battery economics
How to compare battery quotes on equal terms.
A practical checklist for comparing usable capacity, installation, warranties and financial assumptions across battery quotes.
Start with the essentials.
Does a battery always make money?
No. Lower bills and recovery of the installed cost are different things. Outcomes depend on energy actually shifted, losses and applicable contracts.
Can I power my home during an outage?
This must be confirmed for the complete installation. A battery alone does not guarantee backup operation: suitable equipment and operating modes are required.
Does BatteryIncome sell batteries?
This is an editorial project. It provides explanations and comparison methods, without a sales catalogue or quote requests forwarded to installers.