The Only Fully English‑Speaking Solar & EV Charger Service in Japan

Why Choose I‑S3

• Full English support from engineers — not just sales reps
• One-day installation of EV chargers such as Tesla Wall Connector
• Vendor‑neutral PV solutions
• Military base experience in Kanto (Yokota, Zama, Yokosuka, Atsugi)
• For distant bases like Misawa, Iwakuni, and Sasebo, we coordinate with trusted local partners and provide English design, scheduling, and remote QA support.
• Welcoming all English-speaking residents, businesses, and organizations — not only military personnel

Learn more about us: Japanese Homepage | English Homepage

Contact Us

Get your free consultation in English. Tell us about your location, EV model, and any existing solar setup.

Or visit our main websites: Japanese Homepage | English Homepage