Solar PV guides: costs, equipment and ownership
Sources checked
Find English guides for planning, buying and operating solar equipment in Slovakia. Start with the decision you need to make: roof suitability, system configuration, total cost, choosing an installer or caring for an existing installation.
Planning a home system
Read the guides on how PV works, choosing system power, annual and winter generation, roof orientation and shading. Follow the price, grant and payback guides before treating a seller's package as a suitable design for your home.
Equipment and installation
Compare panels, inverters, batteries and mounting systems using the exact model documentation. Installation, connection, inspection, protection and supplier contracts have separate requirements. Installer locality pages distinguish registered addresses from confirmed service areas.
Living with solar
The ownership guides cover monitoring, bills, surplus electricity, storage upgrades, maintenance, repairs, insurance and selling a home with PV. The product guides also cover portable power, garden and pool equipment, lighting, cameras and solar-powered shading.
Browse English guides
Panels and components
- Solar cables: cross-section, route and connectors
- Choosing a hybrid inverter: battery, phases and backup
- Solar panel certification: what tests do and do not prove
- Comparing solar panels: criteria and evidence
- Solar panel efficiency: what the percentage means
- Solar power optimisers: shading and compatibility
- Microinverters: rooftop conversion and system limits
- Choosing solar panels: read the exact model's datasheet
- Solar inverters: grid-connected, hybrid and off-grid
- Photovoltaic cells: how they work and what types mean
- Solar panel mounting: roofs, flat roofs and ground arrays
- Photovoltaic film and flexible panels: identify the product
- Solar panel types: cells, glass and bifacial construction
- Solar kits: components versus a complete installed system
- Solar panel dimensions, weight and roof area
Portable power
- Solar car-battery maintainers: capabilities and limits
- Solar watches: light charging, reserve and servicing
- Solar power banks: capacity and the small-panel limitation
- Solar-powered refrigerators: daily energy and reliable supply
- Solar fans: airflow, installation and operating time
- Solar panels for caravans: loads, batteries and travel
- Solar power stations: battery capacity and appliance power
- Solar phone chargers: USB output, light and storage
- Solar charge controllers: MPPT or PWM?
- Flexible solar panels: bending, mounting and replacement
- 12 V solar panels: actual voltage and battery charging
- Portable solar panels: input limits and realistic energy
Roofs and siting
- Solar fences: generation, foundations and site suitability
- Balcony solar in Slovakia: mounting and connection first
- Solar PV for apartment buildings: shared use and metering
- Solar carports: structure, roof and vehicle charging
- Solar roof tiles and building-integrated photovoltaics
- Solar PV on a flat roof: ballast, anchoring and layout
- Ground-mounted solar: land, foundations and full costs
- Replacing a roof with solar panels already installed
- Is your roof suitable for solar PV?
Batteries and systems
- Home batteries without solar: savings and backup
- Where to install a home battery safely
- AC or DC coupled batteries: what changes?
- Adding a battery to existing solar PV
- Solar battery lifespan: cycles, ageing and warranties
- What solar battery capacity do you need?
- Does solar PV work during a power outage?
- Grid-connected solar without a battery
- Solar PV with battery storage: hybrid systems and backup
- Solar batteries: usable capacity, power and compatibility
- LiFePO4 batteries: cells, 12 V batteries and home storage
- Solar for a cabin: grid connection, off-grid use and winter
- Off-grid solar: winter design, batteries and autonomy
- Charging LiFePO4 batteries: voltage, BMS and cold weather
About this site
- About Solárny poradca
- Contact the publisher
- Methodology: sources, prices and reference calculations
- How we earn: current funding and future plans
- Privacy: calculator, hosting and correspondence
- Terms of use
Rules and responsibilities
- Solar PV and the customs office: electricity excise duty
- Solar PV permissions and legislation in Slovakia
- Solar owner obligations and reporting: identify your regime
- Solar surplus income: tax and contribution questions
Installation and suppliers
- Choosing a solar installer in Slovakia
- Huawei solar equipment: check the complete ecosystem
- ZSE solar offers: contracting company and service scope
- Solar contracts, warranties and claims
- Connecting solar PV to the grid in Slovakia
- DIY solar: preparation, equipment and professional responsibility
- Solar PV earthing, lightning and electrical protection
- Solar PV wiring: understand the system diagram
- Solar electrical inspections: scope and documentation
- Installing solar PV: survey, electrical work and handover
- Comparing solar quotes: use the same brief and scope
- Preparing a solar PV project: data, roof and connection
Local installers
- Solar installers in Poprad: register and local evidence
- Solar installers in Košice: districts and supplier scope
- Solar installers in Banská Bystrica
- Solar installers in Púchov: office and service checks
- Solar installers in Martin: identity and references
- Solar installers in Trnava: service area and references
- Solar installers in Bratislava: five districts and local service
- Solar installers in Prešov: address and regional coverage
- Solar installers in Nitra: brands, warehouses and legal identity
- Solar installers in Žilina: branches and project ownership
- Solar installers in Orava: three districts and site conditions
Costs and grants
- Solar PV for businesses: design around demand
- Business solar grants: Zelená podnikom
- Paying for solar in instalments: compare total costs
- Is solar PV worth it? Payback and disadvantages
- Solar panel prices: modules, delivery and price per Wp
- Solar battery prices: hardware and installed storage
- Solar grants in Slovakia: Zelená domácnostiam II
- Solar panel system cost in Slovakia: installed prices
Using solar electricity
- Sharing solar electricity: timing, metering and settlement
- Virtual batteries: supplier credit is not physical storage
- Selling surplus solar electricity in Slovakia
- Your electricity bill after installing solar PV
- Solar PV or a heat pump: which should come first?
- Heating water with solar PV: dedicated systems and surplus
- What to do with surplus solar electricity
- Solar PV and air conditioning: power and operating hours
- Charging an electric car from solar PV
- How to increase solar self-consumption
- Solar PV in winter: production, snow and expectations
- Can you heat a home with solar PV?
- Solar PV and heat pumps: combining electricity and heat
Operation and maintenance
- Insuring solar panels and home batteries
- Solar panel recycling: removal, transport and collection
- Buying or selling a home with solar PV
- Solar PV repairs: prepare for diagnosis and service
- Solar panels and hail: test conditions and checks after storms
- Expanding an existing solar PV installation
- Cleaning solar panels: need, method and safe access
- Solar PV maintenance: checks, records and service
- Solar PV producing less: what to check first
- Solar panel lifespan, degradation and warranties
- Solar monitoring: inverter data, smart meters and bills
Getting started
- Solar calculator: compare generation, storage and savings
- How much solar PV power does your home need?
- How much electricity does solar PV produce?
- Solar panel orientation and tilt: south, east or west?
- Solar PV for homes in Slovakia: a practical guide
- How solar PV works: from panels to the meter
- Slovak solar terminology: fotovoltika and fotovoltaika
Solar lighting
- Solar LED strips: length, cutting and complete-kit limits
- Solar lanterns: decorative light, portability and charging
- Solar garden decorations: placement and intended use
- Solar Christmas lights: winter charging and runtime
- Solar grave lights: placement, charging and care
- Solar street and pole lights: lighting design and autonomy
- Solar string lights: lit length, panel lead and runtime
- Solar floodlights: lumens, beam and charging
- Solar wall, fence and gutter lights
- Solar motion-sensor lights: detection, modes and energy
- Solar path and step lights: illuminate the route
- Replacement batteries for solar lights
- Solar garden lights: brightness, charging and purpose
Garden and pool
- Solar electric fences: energiser, battery and fence design
- Solar animal repellents: functions versus evidence
- Solar irrigation: watering programme, tank and absence
- Solar well pumps: dynamic level, pressure and water demand
- Solar pond pumps: flow, filtration and operating hours
- Choosing a container for a solar fountain
- Solar fountains: pump, sunlight and evening operation
- Roof-mounted solar pool heating: structure and water circuit
- Solar pool heating: absorbers, flow and system costs
- Pool cover reels: dimensions, supports and cover compatibility
- Solar pool covers: heat retention, fit and handling
- Installing and maintaining a solar garden shower
- Solar garden showers: tank, water pressure and placement
Cameras and shading
- Solar-powered shutters: window size and product generation
- Solar-powered blinds: motor, battery and compatibility
- Solar trail cameras: supported panels and battery systems
- Solar SIM cameras: mobile signal, data and energy
- Solar security cameras: power, recording and connection