Sun Invest

Sun Invest

Sun Invest Sp. z o.o.

Olsztyn, Poland

SolarWindEnergy StorageLimited company
Founded 2012
Profile last updated: July 13, 2026

About

Founded in 2012, Sun Invest is a limited company headquartered in Olsztyn, Poland specializing in Solar, Wind, Energy Storage.

Sun Invest is a renewable energy company based in Olsztyn, Poland, specializing in the installation and maintenance of photovoltaic systems, heat pumps, and wind turbines. The company has been operating in the renewable energy sector for over 12 years, with extensive experience first gained in Western European markets before establishing operations in Poland. Sun Invest provides comprehensive services including system design, professional installation, securing government funding and subsidies, and ongoing maintenance. The company has completed over 500 photovoltaic projects, installed over 10,000 PV modules, and obtained more than 130 subsidies for photovoltaic installations. Their total installed capacity exceeds 3 GWh, resulting in approximately 1,000 tonnes of annual CO2 emission reduction. Sun Invest works with leading manufacturers including Viessmann, Fronius, SolarEdge, and LG, and collaborates with multiple financial institutions to offer flexible financing options. Services are available to residential homeowners, agricultural enterprises, commercial businesses, and residential communities throughout the Warmian-Masurian region.

Headquarters

Olsztyn, Poland

Founded

2012

Company type

Limited company

Focus areas

photovoltaicsolar PVheat pumpswind turbinesrenewable energyinstallationO&Mgovernment subsidiesOlsztynPoland

Products & services

Business models

B2BB2CEPC

Value chain

DevelopmentEngineeringProcurementConstructionO&MConsultingAdvisory

Locations

Headquarters

ul. Towarowa 9D, 10-416, Olsztyn, Poland

Projects

8

Sand Valley Golf Resort

OperationalRooftop solar PV
0.05 MW capacityOlsztyn, Poland

Gmina Morąg-Pływalnia Perła

OperationalSolar PV installation
0.1 MW capacityMorąg, Poland

ZHU Żarna

OperationalSolar PV installation
0.1722 MW capacityOlsztyn, Poland

Uniwersytet Warmińsko-Mazurski

OperationalSolar PV installation
0.05 MW capacityOlsztyn, Poland

PWiK Giżycko

OperationalSolar PV installation
0.5 MW capacityGiżycko, Poland

Zakład Szklarski Łukiewski

OperationalSolar PV installation
0.04 MW capacityOlsztyn, Poland

JDG

OperationalSolar PV installation
0.04 MW capacityOlsztyn, Poland

Corab S.A.

OperationalSolar PV installation
0.05 MW capacityOlsztyn, Poland

Credentials & affiliations

Certifications

LG PRO

Issued by: LG
View

Fronius Service Partner

Issued by: Fronius

Certified SolarEdge Installer

Issued by: SolarEdge

Partnerships

Viessmann, Stiebel-Eltron, Kaisai, Fronius, SolarEdge, LG, Santander Consumer Bank, BNP Paribas, Alior Bank, PKO Leasing, mBank, Bank Millenium

People

Management & team

  • Maciej Ossowski

    Prezes Zarządu

  • Paweł Wiktorowocz

    Wiceprezes Zarządu

  • Dariusz Gołębiowski

    Dyrektor handlowy

  • Tomasz Kulik

    Dyrektor działu technologii

  • Grzegorz Chrząszcz

    Kierownik Działu Inwestycji

  • Anna Kowalczyk

    Koordynator biura obsługi Klienta

  • Sylwia Ossowska

    Administrator Danych

  • Marcin Sekuła

    Specjalista ds. odnawialnych źródeł energii

  • Tomasz Szczyglewski

    Specjalista ds. inwestycyjno-technicznych

  • Karolina Lubkiewicz

    Asystentka Zarządu

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