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The company will be closed since 10th August until 28th August .

Starting from 31 August 2020, the company will be operational again.

Made in Italy

We guarantee the products of the best brands on the market, offering certified solutions and also made in italy


We design the system according to your needs, after a careful feasibility study and a technical inspection with an energy check-up

O&M Services

We monitor your photovoltaic system providing personalized assistance


We produce and develop solutions for photovoltaic applications through the use of the best components.

Technological innovation

We create integrated solutions for every type of roof that ensure high performance standards as well as a high aesthetic value


We install the turnkey solution through our Authorized Installers who have years of experience and maximum reliability.


GruppoSTG is an Italian company that is specialized in the design and manufacture of photovoltaic and structural solutions.

The Group is in a position to meet its customers’ complex energy-related requirements, using its synergies for the creation of opportunities in the national and international market. GruppoSTG is represented on the market by four different brands, each one with unique characteristics and strategies.



Italian manufacturers of photovoltaic modules and systems

Design and manufacture of standard, custom and coloured photovoltaic modules.

Development of Building-Applied Photovoltaics (BAPV), shelters, kits and necessary components for the installation of photovoltaic systems.

Our core business lies in the design, manufacture and marketing of standard, custom and coloured monocrystalline and polycrystalline photovoltaic modules, in various power ranges and dimensions, also for the maintenance (breaks, defects, faults, theft) and modernisation of old photovoltaic systems receiving financial aid.

We develop solutions for photovoltaic applications by using the best-quality components.


Building-Integrated Photovoltaics (BIPV) in Architectural Design

Design and manufacture of staggered laminated safety glass elements for architectural use.

Study of design solutions with high aesthetic value for the building envelope.

Creativity and design should be able to express themselves in perfect tune with functionality, eco-friendliness and aesthetics, while ensuring people’s safety and compliance with standards.
EnergyGlass photovoltaic components are designed and manufactured to optimally meet the needs of architectural integration, where transparent or opaque glass is used as a building element.

Flexibility and customisation freedom in terms of measurements, power, transparency and colours allow for harmonious continuity of construction elements in the building envelope.


The photovoltaic service company

Tailored photovoltaic solutions.
Exclusive services and guarantees.
High technological content.
Pre- & post-sale support.

Solmonte provides system solutions tailored to users’ real consumption needs, ensuring maximum savings on electricity bills.
Solmonte caters to families, businesses and government agencies, providing a complete service and offering customised financial solutions.
Solmonte solar solutions preserve the aesthetics of buildings while reducing the environmental impact.


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