Commercial battery storage means stationary LFP battery systems with capacities from 50 kWh to 2 MWh for industrial and commercial businesses. They become economical by combining six revenue streams: peak shaving with CHF 15'000-40'000 in savings per year at a 300+ kW peak load (modelled from load-profile analyses, ElCom tariff data), self-consumption optimisation, an e-mobility booster, avoided grid expansion, backup power and flexibility marketing. In combined use the storage pays back in 4-6 years (delivered Ampere Dynamic projects); LFP cells reach up to 8'000 cycles (CATL/BYD datasheet).
Key Takeaways
7 min read
Key Takeaways
7 min read- LFP battery storage is specified for up to 8'000 charge cycles (CATL/BYD datasheet). That corresponds to more than 20 years of operation in daily use.
- Peak shaving lowers the monthly demand charge for good: in 2026 a median of CHF 108 per kW and year (ElCom tariff data), modelled savings of CHF 15'000-40'000 per year for businesses with a 300+ kW peak load.
- Six combinable revenue streams make commercial storage economical: self-consumption, peak shaving, e-mobility, avoided grid expansion, backup power and flexibility marketing.
- Payback in 4-6 years with optimised operation and the combined use of several revenue streams (analysis of delivered Ampere Dynamic projects).
For Swiss industrial and commercial businesses, commercial battery storage has long stopped being a niche product: it is a strategic investment in energy autonomy and stable operating costs. Unlike home storage, commercial systems are designed for the specific load profiles of manufacturing businesses, logistics centres and commercial properties: high power draws, 24/7 operation and the need to activate several economic levers at once. This guide explains the technology, revenue streams, economics and the concrete planning process, based on projects Ampere Dynamic has delivered.
What is commercial battery storage and how does it work?
A commercial battery storage system is a stationary energy storage system with typical capacities between 50 kWh and 2 MWh, designed for commercial or industrial operating environments. The market is growing fast: behind-the-meter storage capacity installed in Switzerland is expected to rise from 1.5 GWh at the end of 2025 to 2.5 GWh at the end of 2026 (Swissolar, Batteriemonitor Schweiz 2026); the pv magazine market overview of large-scale and commercial storage lists around 80 suppliers with over 500 products from 30 kWh of capacity (as of February 2026). The dominant technology today is LFP (lithium iron phosphate): thermally stable, cycle-resistant and safe, usable even without air conditioning in production halls or outdoor containers.
The core function of commercial storage is to decouple electricity generation and consumption in time. The photovoltaic system produces during the day. The storage absorbs surpluses that would otherwise flow into the grid. At night or during power peaks it releases that energy in a targeted way. That sounds simple, but the economic effect only arises through an intelligent energy management system (EMS) that coordinates load profile, PV forecast, grid price signals and storage state in real time.
The difference from home storage lies in sizing, system complexity and the demands on the EMS. Where a 10 kWh home battery performs simple self-consumption optimisation, a 500 kWh commercial system has to coordinate peak shaving, an e-mobility booster and backup power at the same time, without one function impairing another.
Six revenue streams for your commercial storage
The economic advantage of commercial storage does not come from a single application but from combining several revenue streams. Ampere Dynamic optimises every storage operation to the business’s individual load profile.
The six revenue streams at a glance:
1. Peak shaving: lower the demand charge for good Most Swiss grid operators bill a demand charge on the monthly peak load (in CHF/kW). A short power peak (a production start, a compressor, a charging station) can drive up the demand charge for the entire month. The storage discharges precisely in these peaks and caps the measured peak load. In 2026 the demand charge for a 400 kW business is a median of CHF 108 per kW and year (ElCom tariff data, profile C6, Ampere Dynamic analysis); for businesses with a 300+ kW peak load, Ampere Dynamic models savings of CHF 15’000-40’000 per year from load-profile analyses. The mechanism and a worked example are in the article Peak shaving with battery storage.
2. Self-consumption optimisation: store the PV surplus Self-produced solar electricity costs 8-12 Rp./kWh, grid electricity 20-30 Rp./kWh (total tariff in ElCom category C4, 2026 median 23.66 Rp./kWh, ElCom electricity price overview). Every kWh consumed on site saves the difference. The storage shifts the midday PV surplus into the evening or night shift.
3. E-mobility booster: fast charging without grid expansion New electric cars and commercial vehicles require high charging power. Without storage these power peaks would overload the grid connection and force expensive grid expansion. The storage buffers charging peaks and enables HPC charging infrastructure without expanding the grid connection capacity.
4. Avoid grid expansion Commercial storage can raise the virtual capacity of the grid connection. Businesses that would need more connection capacity as production grows can use storage to delay or entirely avoid expensive, time-consuming grid expansion.
5. Backup power / UPS In a grid outage the storage switches to island operation within milliseconds. Critical processes (controls, cooling systems, safety lighting) continue without interruption. This UPS function matters especially for manufacturing businesses with high outage costs.
6. Flexibility marketing Via an aggregator the storage can take part in flexibility products: balancing energy for Swissgrid, spot market arbitrage or demand-response programmes run by grid operators. The minimum bid for primary control power is 1 MW, which is why commercial storage bids in a pool with other systems (Swissgrid Balancing Roadmap Switzerland). Since 2025, a refund of grid fees can be applied for on electricity stored from the grid and fed back in (BFE, Electricity Act). How the business works is shown in Balancing energy with battery storage.
Commercial storage in practice: with and without a battery
Without battery storage
- Power peaks drive up the monthly grid fee base charge
- PV surpluses are fed into the grid at 5-12 Rp./kWh (reference market price under the Energy Ordinance, EnV)
- EV charging infrastructure requires expensive grid expansion
- No protection for critical processes in a grid outage
With commercial storage
- Peak shaving caps the peak load and lowers the demand charge for good
- PV electricity is stored and consumed on site at 20-30 Rp./kWh
- Storage enables HPC charging without capacity expansion
- UPS function: critical processes keep running in a grid outage
The worked example above is an Ampere Dynamic model calculation, not a measurement; the actual saving follows from the load profile and the tariff sheet. Two projects delivered by Ampere Dynamic illustrate the range of commercial storage applications (Ampere Dynamic project data):
Kuny AG: 633 kWp of photovoltaics and a battery storage with 250 kW of power and 522 kWh of capacity. The storage system is designed primarily for peak shaving: it caps the power peaks from production and lowers the monthly demand charge for good. The PV system supplies most of the daytime load; the storage bridges the evening hours.
Post Immobilien Untervaz: 264 kWp of photovoltaics and 2 MWh of LFP battery storage (Ampere Dynamic project data). Ampere Dynamic’s largest delivered storage project combines self-consumption optimisation with grid stabilisation in a logistics and property context with a high share of own electricity.
Both projects show: the optimal storage size does not follow from the PV system size alone, but from the load profile, the grid operator’s tariff model and the desired revenue streams.
From analysis to the running system
Four steps, from the load profile to monitoring. Cantonal subsidies are rare: in 2026 the Canton of Thurgau pays a flat CHF 1’000 for storage from 10 kWh (Canton of Thurgau energy subsidy programme 2026); most cantons do not subsidise the storage.
From analysis to the running system
Load profile analysis & economic calculation
We analyse your load profile from the last 12 months, identify power peaks and calculate the peak-shaving potential and all further revenue streams. Result in 2-4 weeks.
System sizing & manufacturer selection
Manufacturer-independent LFP selection, sizing of capacity and power, EMS integration and subsidy application. Canton of Thurgau: CHF 1'000 flat-rate subsidy from 10 kWh (as of 2026).
Turnkey installation
Minimal disruption to operations thanks to prefabricated system units. Outdoor container or indoor cabinet, depending on the space available. Commissioning including EMS configuration and training.
Permanent monitoring & AI optimisation
The AI-supported EMS continuously optimises the storage operation according to load profile, exchange price and PV forecast. Real-time dashboard and proactive monitoring by the Ampere team.
For a deeper look at peak shaving, often the revenue stream with the shortest payback, see our guide Peak shaving for businesses. Which type of provider fits the implementation is compared in the guide Providers of industrial battery storage. How you raise your self-consumption from 30% to 70-90% through ZEV, EMS and load shifting is explained in our article Optimising self-consumption.