Solar Energy · Berlin
Turn your roof into a power plant.
Helios Solar designs, installs, and maintains rooftop solar systems built to cut your energy bill for the next 25 years — from consultation to switch-on.
Across our rooftops right now
0 kW
- 0+
- Years Installing Solar
- 0+
- Rooftops Powered
- 0t
- CO₂ Offset Annually
- 0
- Year Panel Warranty
Roof designer
Paint panels on your roof. Watch the bill fall.
Drag across the roof to lay panels. Figures use Berlin irradiance, a 430 Wp module and today's tariff — the same numbers our engineers start from.
System size
4.3kWp
≈ 4.085 kWh per year
You save per year
1.092 €
Investment
6.235 €
Payback
5.7 years
CO₂ avoided
1.552 kg / yr
Over 25 years
21.065 €
The system
One roof, four jobs.
Tap a part of the system to see what it does for you.
How it works
Engineered for your roof, not a catalog
Every system is sized to your actual usage and roof geometry — not a generic package. We handle permits, installation, and the paperwork for feed-in tariffs.
- Day 1
Site survey
Drone roof scan, shading analysis and a look at your last twelve bills.
- Day 3
Design & offer
System sized to your consumption. Fixed price, yield guarantee in writing.
- Week 2–4
Permits
Grid operator registration and Marktstammdatenregister — we file everything.
- 2 days
Installation
In-house crew, scaffolding included, roof left cleaner than we found it.
- Week 6
Switch-on
Commissioning, monitoring app on your phone, first kWh before we leave.
The Company
We're a Berlin-based solar installer building systems designed around your actual consumption — not a one-size package. From the first site survey to the final inspection, our in-house team handles design, installation, and grid connection.
Certified Installers
In-house electricians, not subcontractors — full accountability end to end.
25-Year Warranty
Panels and inverters backed by manufacturer warranties we stand behind.
Installation
- Site survey & system design
- Rooftop & ground-mount installation
- Grid connection & permits
- Battery storage integration
Ongoing
- Monitoring app setup
- Annual maintenance checks
- Feed-in tariff paperwork
- EV charger add-ons
Rooftop reports
Real roofs, real meters.
9 400 kWh/ yr
“Our electricity bill dropped by 80% the first quarter. The whole install took two days, zero drama.”
11 900 kWh/ yr
“The monitoring app alone is worth it — I can see exactly what we're generating and saving in real time.”
44 000 kWh/ yr
“Handled every permit and grid connection detail so we didn't have to think about it. Excellent team.”
Get a quote
A fixed price in three days.
Send us your address and last bill. We size the system, check the roof on satellite imagery and send a written offer with a yield guarantee.