Photovoltaic systems
Site-specific solar systems designed around your roof, energy profile and long-term goals.
Swiss solar engineering
Solar energy,
intelligently engineered.
Tailored photovoltaic systems, battery storage and smart energy management for homes and businesses.
TailoredDesigned for the site
ConnectedGeneration, storage and control
SupportedFrom planning to operation
More than panels
A solar system should fit the way you live and work.
SIENAR Solar brings planning, hardware and intelligent operation into one practical energy concept. The result is a system built for lasting performance—not a collection of disconnected components.
Our solutions
From sunlight to useful energy.
Each element is planned as part of the same system and can be adapted to residential or business requirements.
Battery storage
Storage concepts that increase self-consumption, reduce grid dependence and preserve useful reserve.
Smart energy control
Coordinated solar, storage and tariff logic that helps every generated kilowatt-hour work harder.
Monitoring & service
Performance visibility, system checks and practical support throughout the operating life of your installation.
One clear process
From first conversation to productive operation.
Good energy projects begin with the right questions. We connect the property, consumption, technology and operating goals before finalising the system.
We understand the property, consumption profile and what the system should achieve.
We shape a coherent solution covering generation, storage, control and future expansion.
Installation and commissioning are coordinated as one clearly managed project.
Monitoring and intelligent control keep the system useful as conditions change.
Beyond generation
Your energy system should respond—not just produce.
Production, consumption, battery state and electricity prices change throughout the day. SIENAR connects these signals so energy can be stored, used or exported with greater purpose.
Discover STEPH energy intelligence ↗
Smart control
☀ProductionForecast
▤BatteryState of charge
⌂DemandConsumption
⌁GridPrice signal
PV, storage and control planned to work together.
Technology choices explained around your real priorities.
A foundation that can adapt as your energy needs evolve.
Start a conversation
Let's design the right energy system for you.
Tell us about your property, current consumption and what you want solar to achieve.