Photovoltaics in
Zurich

Sigrist + Partner Sanitär- + Wärmetechnik AG

Since 1970 · 11–20 empl.·4.3(11)

The core activity of Sigrist + Partner Sanitär- und Wärmetechnik AG is the planning, installation and renovation of sanitary and heating systems, including solar systems, refrigeration systems and geothermal probe installations. The company also offers renovation and refurbishment services for single-family homes and has specialized in sustainable solutions.

Wärmebau AG

Since 1972 · 11–20 empl.·3.7(34)

Wärmebau AG is a building-services company specialising in heating, plumbing, air conditioning and ventilation systems. Its services include consultation, planning, installation, repair, maintenance and customer support for heating and plumbing systems.

Amena AG

Since 1988 · 1–10 empl.

The core activity of Amena AG is the planning and implementation of energy supply systems with a focus on renewable energies, particularly: photovoltaic systems, self-consumption solutions, power storage systems, and hybrid power plants. The company offers consulting and services in the field of energy management and positions itself as a partner for efficient and effective energy supply.

TNC Consulting AG

Since 1994 · 11–20 empl.

TNC Consulting AG provides consultancy, planning and project support for photovoltaic systems and offers services on building energy efficiency. Activities include project development (alpine PV, agri‑PV, floating PV), PV system planning and operation, PV noise‑barrier solutions, and measurement/analysis services.

Current AG

Since 2002 · 11–20 empl.

Current AG operates in energy and shipping, facilitating business transactions and arranging financing. It develops and invests in renewable energy projects and works with energy assets, related infrastructure and ship finance.

montavent AG

Since 2007 · 11–20 empl.

montavent AG develops and manufactures mounting systems for photovoltaic installations. Its range includes substructures for flat and sheet-metal roofs, including short-rail systems and elevated mounting solutions.

Swissolar

Since 2007 · 21–50 empl.

Swissolar is an industry association for solar energy that provides technical knowledge, policy positions, training and events, and practical tools (for example solar calculators, a knowledge database and a quality label) for professionals, building owners and members.

Stromwerk AG

Since 2009 · 11–20 empl.

The core activity of Stromwerk AG is the planning, construction, operation and maintenance of photovoltaic solar power plants on the roofs of commercial buildings, multi-family houses, farms and properties in Switzerland. The company offers its customers a complete service, including financing, consulting and optimization of solar surfaces, to enable efficient and sustainable energy production.

Zürichsee Solarstrom AG

Since 2009 · 1–10 empl.

Zürichsee Solarstrom AG develops, builds, owns and operates photovoltaic systems. Its installations in the Lake Zurich catchment area generate solar electricity that the company markets; it also offers advice, planning, installation and operation of self-consumption communities (ZEV).

Edisun Power Schweiz AG

Since 2010 · 1–10 empl.

Edisun Power Schweiz AG finances and operates solar power plants in several European countries and sells the generated electricity under long-term, legally guaranteed contracts with local utilities. The company develops, constructs and operates photovoltaic projects and owns 32 solar plants with a total capacity of 105 MW.

B&H Energie GmbH

Since 2011 · 1–10 empl.

B&H Energie GmbH plans and builds photovoltaic systems for single- and multi-family homes and operates them through energy-contracting arrangements. Its services also include electricity billing for self-consumption groups and charging infrastructure for electric mobility.

Savenergy Consulting GmbH

Since 2012 · 1–10 empl.

Savenergy Consulting GmbH provides energy consulting and develops energy concepts to improve efficiency and use renewable energy. Its services include planning and support for solar systems, battery storage, electric-vehicle charging stations and autonomous lighting, from analysis through implementation.

SYNHELION AG

Since 2016 · 21–50 empl.

SYNHELION AG develops technology to produce renewable synthetic fuels from renewable energy and biogenic waste. The company produces sustainable aviation fuel, diesel and gasoline designed for use with existing engines and fuel infrastructure.

MPower Ventures AG

Since 2017 · 21–50 empl.

The core activity of MPower is to provide and finance small and medium-sized solar energy infrastructures in developing countries to improve access to clean energy. To achieve this, MPower offers a combination of hardware (solar products), software (digital platforms for management and financing) and financing solutions to revolutionize energy supply in these countries.

CIPV GmbH

Since 2018 · 1–10 empl.

CIPV GmbH provides consulting, planning and analysis services for photovoltaic systems. It supports solar projects from potential studies and design through commissioning and operational optimisation, and advises businesses on strategy, energy management and self-consumption.

Ampere Dynamic Schweiz GmbH

Since 2020 · 21–50 empl.

Ampere Dynamic Schweiz GmbH develops and implements large-scale energy solutions for industrial and commercial clients, including photovoltaic systems, battery storage and charging infrastructure for electric mobility. The company provides energy consulting, engineering and construction, overall project management, operational monitoring and energy marketing services.

Strittmatter & Püntener Haustechnik AG

Since 2019 · 1–10 empl.

Strittmatter & Püntener Haustechnik AG is an installation company for sanitary, heating and solar systems, providing planning, installation and after-sales service for new installations, renovations and maintenance.

Zurich Soft Robotics GmbH

Since 2022 · 11–20 empl.

The company Solskin (Zurich Soft Robotics GmbH) develops and offers innovative solutions for sustainable and comfortable building envelopes, particularly through the integration of renewable energies and energy-efficient systems. The core activity includes the development and distribution of products such as Solskin System, Solskin Pergola, and Solskin Smart Tree, which combine aesthetics, sustainability, and energy efficiency.

ecoEn GmbH

Since 2017 · 1–10 empl.·5.0(6)

ecoEn GmbH is a solar contractor that plans, installs and commissions photovoltaic systems. Its services also include battery storage, heat pumps, EV charging stations and energy management, as well as consulting and after-sales support.

Kämpfen Zinke + Partner AG

Since 2010 · 1–10 empl.·4.0(5)

Kämpfen Zinke + Partner AG is an architecture practice providing architectural design and planning services. It plans and delivers new buildings, replacement buildings, extensions, additional storeys, conversions and renovations, with a focus on timber construction, solar architecture, energy efficiency and biodiversity.

WEBER DACH AG

Since 2003 · 1–10 empl.·4.0(4)

WEBER DACH AG carries out roofing work on pitched and flat roofs, as well as façade cladding. Its services include consulting, new construction and renovation, thermal insulation, roof windows, solar installations, maintenance and repairs.

ELEKTRO 24 AG

Since 2021 · 21–50 empl.·4.1(9)

ELEKTRO 24 AG provides electrical installations, maintenance and repairs, and consulting and planning for electrical projects. Its services also include building automation, e-mobility, photovoltaics and security systems.

Solar21 AG

Since 2003 · 21–50 empl.·5.0(2)

Solar21 AG is an energy services provider that offers institutional property owners comprehensive management of photovoltaic systems, including analysis, planning, administration and monitoring. Its services include power purchase agreements (PPAs) with fixed-price purchase of locally produced solar power, tenant electricity products under the Strom21 offering, and optimisation measures including storage and e-mobility integration.

Egon AG

Since 2009 · 11–20 empl.·5.0(1)

The Egon AG company offers energy solutions and services in the field of renewable energies, particularly in the areas of photovoltaics, solar thermal energy, heat solutions and electromobility. The core activities include the development and implementation of energy monitoring systems, the management and billing of virtual ZEV systems (association for self-consumption) as well as the provision of training and webinars for installers and administrations.

Enerphy Suisse AG

Since 2022 · 1–10 empl.

Enerphy Suisse AG is an energy and climate technology company that develops simulation tools and conducts studies for energy and climate projects. Its work includes solar energy, geothermal energy, subsurface geoscience, carbon footprints, climate certificates and project feasibility studies.

Energiebüro AG

Since 2004 · 21–50 empl.·5.0(1)

Energiebüro AG is an independent engineering and consulting company focused on renewable energy, particularly photovoltaics and hydropower, as well as energy efficiency and building systems. It advises on, analyses and plans projects, and supports their implementation, quality assurance and operation.

Frehner Bedachungen GmbH

Since 2019 · 1–10 empl.·5.0(5)

The core activity of Frehner Bedachungen GmbH is the execution of roofing work, including: roofing with various materials such as tiles, shingles, fibre cement and slate; installation of solar systems; creation of under-roofs with or without insulation; roof extensions and conversions; and façade work. The company specializes in pitched roofs and offers its services in Zurich and the surrounding area.

Suntec Energy GmbH

Since 2024 · 1–10 empl.·5.0(6)

Suntec Energy GmbH develops and implements energy solutions for private and business customers. Its services include planning and installing photovoltaic systems, battery storage and charging stations, as well as energy management and system support.

Elektrokonstrukt AG

Since 2018 · 11–20 empl.·5.0(4)

Elektrokonstrukt AG is an independent engineering firm specialising in electrical engineering and fire-safety planning for building projects. Its services include planning electrical systems for energy, lighting, safety and communications, as well as preparing fire-safety concepts and related plans and documentation.

Sanhei AG

Since 1970 · 1–10 empl.·3.5(8)

Sanhei AG carries out repairs and conversions in plumbing and heating and offers solar energy, heat pumps, and oil-, gas-, wood- and pellet-fired heating systems.

Alpvolt Schweiz AG

Since 2023 · 1–10 empl.

The company's core activity is the development, distribution, installation and maintenance of energy storage solutions for Europe, particularly in the field of renewable energies and smart grids. The company also offers comprehensive services such as energy management, operation and maintenance, analysis and technical support.

SEMS Engineering GmbH

Since 2023 · 1–10 empl.

SEMS Engineering GmbH plans and delivers photovoltaic projects. Its services include feasibility studies, engineering, tendering and construction supervision, as well as installing solar systems, energy storage and electric-vehicle charging infrastructure. The company also provides maintenance and system optimisation.

Studio Nolimits GmbH

Since 2022 · 1–10 empl.

The core activity of 1A-Energy is the planning, consulting and implementation of sustainable energy projects, particularly in the field of solar energy (photovoltaics) and energy-optimized building. This also includes services such as energy consulting, planning services, project management and the implementation of building projects that utilize the natural energy resources of the site.

Savenergy Light Solutions GmbH

Since 2015 · 1–10 empl.·5.0(1)

Savenergy Light Solutions GmbH provides lighting consultancy for indoor and outdoor spaces and solutions for autonomous, solar-powered lighting. Its services also include energy certificates and assistance with funding programmes for efficient lighting projects.

Felixsolar GmbH

Since 2023 · 1–10 empl.

Felixsolar GmbH plans and installs solar and photovoltaic systems for households and businesses. Its services include consultation, energy storage, system monitoring, maintenance and repairs, as well as project coordination and grant applications.

Solextron AG

Since 2024 · 1–10 empl.

The core activity of Solextron is the development and provision of a digital platform and tools for the solar industry, particularly for the optimization of solar installations, project management, digital twins and monitoring. The company also offers 3D visualization of offers and supports customers in creating commercial proposals.

Nay Elektro-Anlagen AG

Since 2007 · 1–10 empl.·1.0(1)

The core activity of Nay-Elektroanlagen AG is the planning, installation and maintenance of electrical systems, including smart home solutions. The company offers services in the areas of electrical installation, repair and maintenance, and employs trained electricians with a federal certificate of competence.

TrioSolar GmbH

Since 2023 · 1–10 empl.

The core activity of TrioSolar is the planning, installation and maintenance of photovoltaic systems, including the provision of components and solutions for the efficient use of solar energy, such as energy storage systems and zero-emission connections (ZEV).