The best panel package for your roof

High-quality solar panels

Our Finnish-made solar panels are manufactured by Salo Tech Oy. Our panels are well suited to Nordic conditions. The mounting racks are also made in Finland.

The package with guaranteed durability

The solar panels manufactured by Salo Tech have a 25-year power output guarantee. The mounting racks have up to a 30-year guarantee. You also get guarantees for other parts, meaning that the functionality of the panels is guaranteed for years to come.

The efficient smart package

The best choice for a plot in the shade, as the package includes panel-specific boosters and the smart inverter has web-based monitoring of production.

Save on the electricity bill

Pay less for both purchased electricity and electricity transmission when you produce electricity yourself. In addition, we will pay you a fair refund for the solar electricity that you are not consuming yourself.

High-quality Finnish-made solar panels

The price of Louna Solar Optimi package includes


  • Driving distance of 100km from Salo.

  • Installation on pitched roof, brick-tile roof, bitumen or sheet-metal roof (as a uniform panel set).

  • Lifting work if the eaves height of the property does not exceed 3.5 metres.

  • Connecting the inverter to the Internet.

  • The solar panel package is connected with the property's free fuse outputs.


  • Safety switch

  • About 50 metres of DC cable and about 4 metres of AC cable


  • Continuous monitoring and maintenance service for the solar panel system.

How do I monitor solar-panel yield?

The Louna Solar Optimi solar panel system has a Solar Edge inverter which allows you to monitor your own power generation and get maximum yield from each panel. In this video, we present the generating control system that shows day-by-day and hourly yields and yield numbers for each panel. The video is in Finnish.

Technical data of the Louna Solar Optimi package

Basic information about solar panels

Panel manufacturerSalo Tech Oy
Panel typeMono-crystal panel
Panel yield400 Wp
Panel quantityfrom 10
Total system yieldfrom 4,000 Wp
Surface area m²from 19.95m²
Weight of the entire panel package in pitched roof installationabout 15kg/m2
Weight of the entire panel package in flat-roof installationabout 15 kg/m2, or depending on the property, if loose weights are used.

Every panel goes through quality inspections and power output testing at the factory. Quality assurance guarantees that our panels perform as advertised.

The rated power of the solar panel is expressed in Wp (watt-peak). The rated power of the solar panel is indicated in Wp (watt-peak). The rated power of the panel has been measured in standard operating conditions. The actual power varies depending on the radiation power of the sun, the angle of installation of the panel and the compass direction, possible shadow areas and outdoor temperature.

Other parts

InverterSolarEdge SE
BoostersSolarEdge S440
BracketsSalo Tech Oy's brackets according to roof type and material. Material is stainless or acid-resistant steel.
Mounting racksSalo Tech Oy's mounting racks. Material recycled aluminium.
Mounting racks and accessoriesSalo Solar's pitched roofs

Read more Salo Solar's PDF brochure on mounting racks and accessories for pitched roofs

Installation schedule

  • Installation by order-book.

  • Louna Solar Optimi packages take 1 to 2 days to install.

Warranty periods

Solar panels15 years warranty for manufacturing defects and material
Mounting racks30 years warranty
SolarEdge inverter12 years warranty
SolarEdge boosters25 years warranty
Other products and installation10 years warranty
Guarantee of electricity generationSalo Tech Oy grants a 25 years electricity generation guarantee for the solar-panels they manufacture. This means that even after 25 years, the panels will still have at least 80% of the promised rated yield.

Services with additional charges (including VAT 24%)

Use of a crane if the eaves height of the property exceeds 3.5 metres.€180/day
Driving charge if the installation site is further than 100 kilometres from Salo.€1.30/km
Additional charge if connecting the inverter to the Internet requires a separate visit.200 €
Extending inverter warranty period to 20 years500 €
Extending inverter warranty period to 25 years700 €
Installation of additional fuses300 €
Grounding cable and required additional workDetermined case by case
Installation controls for devices other than hot-water boilersDetermined case by case
Visit of the building supervisor in the final inspectionAccording to a separate agreement

Are you interested? Contact us!