Battery Storage Subsidy Austria 2026: Secure €150/kWh - Here's How
Summary (TL;DR)
The federal subsidy for battery storage remains €150 per kWh net capacity in 2026, maximum €7,500 (for 50 kWh). Requirement: The storage must be installed together with a new or expanded PV system and have at least 0.5 kWh per kWp. Applications run via funding calls - the first starts on April 23, 2026. Budget: 60 million euros for PV and storage combined.
Federal Subsidy 2026 Overview
| Criterion | Details |
|---|---|
| Storage subsidy rate | €150 per kWh net capacity |
| Maximum subsidy | €7,500 (at 50 kWh) |
| Minimum size | 0.5 kWh per kWp of PV system |
| Maximum size | 50 kWh per system |
| Budget 2026 | 60 million euros (PV + storage) |
| First funding call | April 23 - May 11, 2026 |
Requirements for Subsidy
- Storage must be installed with a new or expanded PV system
- Minimum capacity: 0.5 kWh per kWp installed PV power
- Maximum subsidizable capacity: 50 kWh
- Retrofitting to existing PV system: only with PV expansion possible
- Standalone storage without PV expansion are NOT subsidized
Funding Calls 2026: The Dates
Subsidy is distributed via multiple 'calls'. If a call is oversubscribed, the order of complete applications decides.
| Call | Submission Period | Budget |
|---|---|---|
| 1st Call | April 23 - May 11, 2026 | ~20 million euros |
| 2nd Call | Likely summer 2026 | ~20 million euros |
| 3rd Call | Likely autumn 2026 | ~20 million euros |
Additionally Use State Subsidies
Besides federal subsidy, several states offer their own storage subsidies. These can sometimes be combined with federal subsidy.
| State | Storage Subsidy | Special Feature |
|---|---|---|
| Tyrol | €100/kWh, max. €1,000 | Only for retrofitting |
| Carinthia | €3,000 flat rate | Only with new PV ≥5 kWp |
| Burgenland | Own directive | Details for 2026 still open |
| Vienna | New program announced | Budget not yet fixed |
Calculation Example: 10 kWh Storage
| Item | Amount |
|---|---|
| Storage 10 kWh (incl. installation) | €8,000 |
| Federal subsidy (10 × €150) | -€1,500 |
| State subsidy Tyrol | -€1,000 |
| Effective costs | €5,500 |
How to Submit the Application
- Register during funding call period at oem-ag.at
- Get quote for PV system and storage
- Fill out online application with system data
- After subsidy approval: Perform installation
- Submit invoice and completion notification
- Subsidy is paid out
Frequently Asked Questions About Storage Subsidy
FAQ
Can I subsidize only the storage (without new PV)?
How large should my storage be?
Does the zero tax rate still apply for storage?
Conclusion: Subsidy Makes Storage Attractive
With €150/kWh federal subsidy plus possible state subsidies, battery storage becomes significantly more attractive in 2026. For a 10 kWh storage, you save €1,500-2,500 in acquisition costs. Combined with self-consumption optimization and dynamic tariffs, a storage pays off in 8-12 years.
About the Author
Christian Werner is an IT consultant and founder of Werner.Solutions in Graz, Austria. He helps Austrian households and SMEs optimise their energy costs through dynamic electricity tariffs and smart automation — combining IT expertise with practical energy consulting.
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