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Clean energy, engineered for Bulgaria

Intelligent Energy Solutions for a Sustainable Future

Engineering
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105+ MW
MW Installed
1,172+
Projects Completed
74,000+ Т
CO₂ Saved / yr
What we do

Full-cycle energy engineering

Design & Procedures
Sol Service provides clients with full engineering — end-to-end design, permitting and grid-connection procedures handled by our own team.
Construction
Design and construction of rooftop, facade and ground-mount photovoltaic plants, built to specification and commissioned on schedule.
Maintenance
Sol Service performs warranty and out-of-warranty maintenance on all photovoltaic plants, with remote monitoring and rapid response.
EV Charging Installation
Charger selection, electrical design and installation for homes, offices and fleets — sized around your solar production.
Monitoring
Real-time production and consumption monitoring, curtailment management and market-price-aware export control.
Battery Storage
Sizing, supply and installation of battery systems for backup, self-consumption and demand-charge reduction.
Since 2011
15+

years of solar engineering in Bulgaria

We started by monitoring and maintaining photovoltaic plants. Today we design, build and look after them for their whole life.

See our projects
Why Sol Service

What guides us

Precision
Every plant engineered to spec and built to last.
Reliability
Warranty and out-of-warranty maintenance, always responsive.
Sustainability
Working toward Bulgaria and the EU's decarbonisation goals.
Partnership
Long-term relationships with clients across residential and industry.
Also from us

Electric vehicles

We sell electric and plug-in hybrid vehicles from Solar E-Drive, our dealership arm.

Visit Solar E-Drive
BYD Sealion 7 Excellence AWD Electric
BYD · 2024
Sealion 7 Excellence AWD
Dual-motor all-wheel drive, 530 hp and a WLTP range of 502 km.
€49,990 View Details
BYD Seal U Design Electric
BYD · 2024
Seal U Design
Fully electric mid-size SUV with a head-up display and 140 kW fast charging.
€39,990 View Details
BYD Seal U DM-i Plug-in Hybrid
BYD · 2026
Seal U DM-i
Plug-in hybrid SUV, essentially new — 20 km on the clock.
€35,990 View Details
Maxus e Deliver 3 Van Electric
Maxus · 2025
e Deliver 3 Van
Electric panel van, essentially new — 70 km on the clock.
€22,900 View Details
Estimate

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— kWp
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Our work

Powering Bulgaria, one plant at a time

Sliven — Utility Plant Sliven · 2023
5 MWp
Sliven — Utility Plant — 5 MWp

A ground-mount utility-scale plant near Sliven, one of the largest in our portfolio.

Equipment: Sol Crystal 550 Bifacial · Sol Core Inverter 50K × 6 · Fixed-tilt ground mount

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Your solar partner

From the energy of the sun to the way we use it.

Generation, storage, monitoring and EV charging — one partner for the whole life of your project.

About us
Certified & trusted

Held to a higher standard

ISO 9001
Certified quality management applied to every design and installation.
ISO 14001
Certified environmental management in design, construction and maintenance.
ISO 45001
Certified occupational health & safety management on every site.
BPVA
Member of the Bulgarian Photovoltaic Association.
Client stories

What our clients say

“Many thanks to the whole team! It is a pleasure to work with true professionals.”
Hristo GrunovH&G — Sliven Ltd
“A team of exceptional professionals! I am happy to have met such people in Bulgaria — creative, modern, reliable and fast-moving. A team you can fully trust! They do their best for clients and turn them into friends. Thank you!”
Maria Ivanova KuyumdzhievaSolar Glass EOOD
“Thank you for the excellent work and the great attitude! You are true professionals! I recommend your services to everyone I know. Wishing you luck and success in everything!”
Plamen IvanovPD Energy Group EOOD
Trusted by industry partners
Diagaz FB Auto Dacia Filkab Intercom Group ITT Imobilien Ramil Q-Service Tersnab TEM ZPT DisplayArt Kstar WEnergy
Latest updates

News & insights

View all articles
17 Feb 2026
Every Hour of Negative-Price Operation Costs You Money
3 Feb 2026
A Complete Solution for Grid Connection with ER Yug via IEC 104
12 Dec 2025
Anniversary Medal

Ready to power your future?

Tell us about your site and we will design a system built around it.

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