Pythagoras Solar

What Pythagoras Solar does

Pythagoras Solar is an Israel-based, privately held company founded in 2007 that develops windows with built-in solar panels, targeting the building-integrated photovoltaics (BIPV) segment. The company's core offering combines traditional building envelope (window) functionality with on-site photovoltaic power generation, positioning it at the intersection of energy efficiency and distributed renewable generation for building owners and developers.

The company is headquartered in Petah Tiqva, Israel, operates with 11-50 employees, and has secured institutional venture backing from Israeli investors including Pitango VC, Evergreen Venture Partners, and MoreVC, which led the company's only disclosed funding round ($10 million, February 2008). Technical details of the underlying photovoltaic window architecture, proprietary features, certifications, and patent positions are not disclosed in the available data.

Business model specifics — including pricing structure, go-to-market motion, customer segments, and revenue mechanics — are not disclosed. Based on the product category, the addressable customer base most likely comprises commercial real estate developers, building owners, and architectural facade integrators seeking to combine daylighting with on-site renewable generation, but specific commercial traction, named customers, and revenue figures are not available in the input data.

Name

Pythagoras Solar

Website

https://pythagoras-solar.com

Company type

Private

Founded year

2007

Operating status

Operating

Headcount range

11–50 employees

Short description

Pythagoras Solar, founded in 2007 in Petah Tiqva, Israel, develops windows with integrated solar panels that combine building envelope and on-site photovoltaic power generation for energy-efficient buildings.

Ownership category

akta.pro rank

Product category

Building-Integrated Photovoltaics

NAICS

Flat Glass Manufacturing (327211)

SIC

Flat Glass (3211)

akta.pro primary industry

Windows (IMADAIAC)

akta.pro secondary industry

Solar Roofing & Roof-Mounted PV Systems (IMADAFAO)

Keywords

• Solar windows
• Building-integrated photovoltaics
• Solar glass facades
• Renewable energy windows
• Smart building materials

Headquarters

HQ city

Petah Tiqva

HQ country

Israel

HQ region

Middle East

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Technology or R&D, Personnel, Marketing or Sales

Core offering

Pythagoras Solar develops windows with built-in solar panels designed to increase energy efficiency and renewable power generation for buildings. The company manufactures photovoltaic glass products that combine conventional window functionality with on-site solar electricity generation for commercial and architectural applications.

Differentiator

Problem solved

Functional benefit

Products and services

• Solar Window with Integrated Photovoltaic Panels

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Recent moves1 record

Expansion highlights1 record

Broad incumbents

• Guardian Glass: Guardian Glass is a large international manufacturer of float glass and value-added coated glass products for architectural and residential applications. It is a broad incumbent that competes in the same fenestration channels Pythagoras targets.
• Vitro Architectural Glass: Vitro is a major North American flat glass producer serving the architectural and construction markets. As a broad incumbent, it shares the same commercial glazing customer base and has the resources to enter BIPV product lines.
• Saint-Gobain: Saint-Gobain is a global building materials conglomerate that produces flat glass and architectural glazing under brands like SageGlass and Cool-Lite. It is a broad incumbent with the scale, distribution, and R&D resources to enter BIPV solar windows as part of its broader portfolio.
• NSG Group (Pilkington): NSG Group, owner of the Pilkington brand, is one of the world's largest manufacturers of flat glass and architectural glazing products. It serves as a broad incumbent whose distribution channels and certification infrastructure make it a potential integrator of BIPV solutions.
• AGC (Asahi Glass): AGC is a major global glass manufacturer producing architectural, automotive, and specialty glass products. As a broad incumbent, AGC has the resources to develop BIPV products and the global channels to out-execute smaller players like Pythagoras.

Direct peers

• Onyx Solar: Onyx Solar manufactures BIPV glass products including photovoltaic skylights, curtain walls, and spandrels for buildings. It is a direct competitor offering integrated solar glass solutions to commercial and architectural customers.
• Sunew: Sunew produces organic photovoltaic (OPV) films that can be applied to building façades and windows. It is a direct competitor in BIPV using a film-based rather than glass-integrated approach, addressing the same building-integrated solar opportunity.
• ClearVue Technologies: ClearVue Technologies develops solar glazing for windows and building façades that generates electricity from sunlight. Like Pythagoras, it focuses on integrating PV into the building envelope, serving commercial building and greenhouse applications.
• SolarWindow Technologies: SolarWindow Technologies develops transparent electricity-generating coatings for glass windows and façades. It is the closest direct competitor to Pythagoras Solar, targeting the same building-integrated photovoltaics (BIPV) window market.
• Ubiquitous Energy: Ubiquitous Energy produces transparent solar coatings for windows that generate electricity while remaining visibly clear. It directly competes with Pythagoras Solar in the transparent/visible-light-transmitting BIPV window segment.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/pythagoras-solar

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds1 record

Investors3 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Pythagoras Solar