Products & Solutions

Smart ESS Solutions

Billion Watts provides MIT-made ESS with local PCS and in-house EMS, supporting both front-of-the-meter and behind-the-meter use. Systems meet Taipower specs for AFC, reserve, and renewable smoothing, and support peak shaving, demand response, and load control. Battery options are flexibly configured to fit budgets and use cases—ensuring safety, resilience, and performance.

Advanced grid-level solar monitoring system

Integrate all industrial-grade equipment such as  transformers, inverters, DC/AC meters, and environmental sensing meters, etc. Pixel View provides AI health diagnosis, fault prediction value-added services, open interface customization, and download function for more than 30 kinds of reports such as financial, DREAMS renewable energy monitoring equipment, Taipower ten-days’ report. For 69kV and 161kV large-scale power stations, the solution of monitoring system for medium and high voltage booster stations and unit substations is featured, supported by fiber optic wiring construction. 

The No. 1 intelligent energy company in the world in terms of revenue

Safe DC™ effectively prevents rooftop photovoltaic fires, emphasizing the highest fire safety, is the favorite inverter brand of Taipower's bulk purchase and the investment of solar asset owned by heavy electricity users . The inverter has an extended warranty of up to 20 years, lifetime free single module monitoring, and locking of fault locations. SolarEdge helps save O&M maintenance costs by increasing module coverage area. The generated energy achieves  +2.04% (research shows).  

Safe and reliable solar power station maintenance

BillionWatts has more than 30 O&M engineers located in Taipei, Yilan, Yunlin, and Kaohsiung. Licensed as solar and ESS installation technicians with electrical and electronic licenses, indoor and outdoor wiring, solar photovoltaic installation Class B technicians, business supervisors of labor safety and health certificate, roof work supervisor certificate, we provide both corrective and preventive maintenance for MV/LV electrical wiring, labor safety and hygiene, and operational supervisory according to the ISO standard. Through the implementation of a timely, reliable service, we protect PV and ESS assets by assisting our clients to keep an eyes on their plant performance.

Charging Pile Solution

Provide a comprehensive EV charging pile solution, integrating our independently developed EV-EMS smart energy management system and exclusive app, as well as MIT AC charging piles designed specifically for the community and 240KW high-power output DC charging piles, allowing for flexible adjustment of distributed energy supply and electric vehicle requirements.

Products & Solutions

Smart ESS Solutions

Billion Watts provides MIT-made ESS with local PCS and in-house EMS, supporting both front-of-the-meter and behind-the-meter use. Systems meet Taipower specs for AFC, reserve, and renewable smoothing, and support peak shaving, demand response, and load control. Battery options are flexibly configured to fit budgets and use cases—ensuring safety, resilience, and performance.

Advanced grid-level solar monitoring system

Integrate all industrial-grade equipment such as  transformers, inverters, DC/AC meters, and environmental sensing meters, etc. Pixel View provides AI health diagnosis, fault prediction value-added services, open interface customization, and download function for more than 30 kinds of reports such as financial, DREAMS renewable energy monitoring equipment, Taipower ten-days’ report. For 69kV and 161kV large-scale power stations, the solution of monitoring system for medium and high voltage booster stations and unit substations is featured, supported by fiber optic wiring construction. 

The No. 1 intelligent energy company in the world in terms of revenue

Safe DC™ effectively prevents rooftop photovoltaic fires, emphasizing the highest fire safety, is the favorite inverter brand of Taipower's bulk purchase and the investment of solar asset owned by heavy electricity users . The inverter has an extended warranty of up to 20 years, lifetime free single module monitoring, and locking of fault locations. SolarEdge helps save O&M maintenance costs by increasing module coverage area. The generated energy achieves  +2.04% (research shows).  

Safe and reliable solar power station maintenance

BillionWatts has more than 30 O&M engineers located in Taipei, Yilan, Yunlin, and Kaohsiung. Licensed as solar and ESS installation technicians with electrical and electronic licenses, indoor and outdoor wiring, solar photovoltaic installation Class B technicians, business supervisors of labor safety and health certificate, roof work supervisor certificate, we provide both corrective and preventive maintenance for MV/LV electrical wiring, labor safety and hygiene, and operational supervisory according to the ISO standard. Through the implementation of a timely, reliable service, we protect PV and ESS assets by assisting our clients to keep an eyes on their plant performance.

Charging Pile Solution

Provide a comprehensive EV charging pile solution, integrating our independently developed EV-EMS smart energy management system and exclusive app, as well as MIT AC charging piles designed specifically for the community and 240KW high-power output DC charging piles, allowing for flexible adjustment of distributed energy supply and electric vehicle requirements.

Products & Solutions

Smart ESS Solutions

Billion Watts provides MIT-made ESS with local PCS and in-house EMS, supporting both front-of-the-meter and behind-the-meter use. Systems meet Taipower specs for AFC, reserve, and renewable smoothing, and support peak shaving, demand response, and load control. Battery options are flexibly configured to fit budgets and use cases—ensuring safety, resilience, and performance.

Advanced grid-level solar monitoring system

Integrate all industrial-grade equipment such as  transformers, inverters, DC/AC meters, and environmental sensing meters, etc. Pixel View provides AI health diagnosis, fault prediction value-added services, open interface customization, and download function for more than 30 kinds of reports such as financial, DREAMS renewable energy monitoring equipment, Taipower ten-days’ report. For 69kV and 161kV large-scale power stations, the solution of monitoring system for medium and high voltage booster stations and unit substations is featured, supported by fiber optic wiring construction. 

The No. 1 intelligent energy company in the world in terms of revenue

Safe DC™ effectively prevents rooftop photovoltaic fires, emphasizing the highest fire safety, is the favorite inverter brand of Taipower's bulk purchase and the investment of solar asset owned by heavy electricity users . The inverter has an extended warranty of up to 20 years, lifetime free single module monitoring, and locking of fault locations. SolarEdge helps save O&M maintenance costs by increasing module coverage area. The generated energy achieves  +2.04% (research shows).  

Safe and reliable solar power station maintenance

BillionWatts has more than 30 O&M engineers located in Taipei, Yilan, Yunlin, and Kaohsiung. Licensed as solar and ESS installation technicians with electrical and electronic licenses, indoor and outdoor wiring, solar photovoltaic installation Class B technicians, business supervisors of labor safety and health certificate, roof work supervisor certificate, we provide both corrective and preventive maintenance for MV/LV electrical wiring, labor safety and hygiene, and operational supervisory according to the ISO standard. Through the implementation of a timely, reliable service, we protect PV and ESS assets by assisting our clients to keep an eyes on their plant performance.

Charging Pile Solution

Provide a comprehensive EV charging pile solution, integrating our independently developed EV-EMS smart energy management system and exclusive app, as well as MIT AC charging piles designed specifically for the community and 240KW high-power output DC charging piles, allowing for flexible adjustment of distributed energy supply and electric vehicle requirements.

About Billion Watts

BillionWatts is one of the subsidiaries of Billion Electric Group (TSE: 3027). Since 2017, we have served over 1,800 local solar power plants in Taiwan, and the installed capacity of the inverters sold by our channel has exceeded 532MW. Our safety-first, high-efficiency energy storage systems have reached a cumulative installation of 210MW, with total ESS asset value under operation and maintenance reaching NT$15.8 billion.


Our team provides complete coverage from technical introduction, electrical and civil engineering design, installation and construction, grid connection, on-site commissioning, and technical training program with 12 to 20 years of maintenance warranty and after-sales service.


As a professional provider of solar energy and ESS solutions, we launched a new UHV SCADA monitoring system in 2021, specialized in 69kV and 161kV substations installed at large-scale power plants, cooperating with TPC-certified IEC61850 DNP 3.0 communication technologies supported by fiber optic wiring construction. In addition, our ESS features excellent functionality in battery safety and container fabrication. Our sustainable management model, emphasizing the importance of product quality and customer experience, has been deeply loved and trusted by both domestic and international PV & ESS investors.

532

MW+

Inverter's technical design, shipment, installation and grid connection. We provide complete technical introduction, engineering support and after-sales service of your solar power plants.

560

MW+

Pixel View enterprise and utility-level solar monitoring system have been adopted by all major renewable energy investors across residential, commercial, floating, and ground-mounted projects.

210

MW+

Safety-oriented container-type energy storage, with localized system integration strength, specializing in heavy electricity users, electricity trading platforms and solar energy plus storage solutions.

News & Media

By Billion Watts  • 2025 Dec 24

As the year comes to an end, BillionWatts sincerely thanks you for your continued trust and support.We look forward to working together

By Billion Watts • November 3, 2025


Billion Watts advances energy digitalization and diversified storage applications, serving as a trusted

By Billion Watts • September 26, 2025


Billion Electric Co., Ltd. (“Billion Electric,” TSE: 3027) today announced that its Board of Directors and the

Product Video

5 years of warranty, extendable up to 20 years

Billion Giga Series 125-150kW 

Utility-Scale PV Inverter

5 years of warranty, extendable up to 10 years

Billion Fusio Nex 125kW/261kWh 

Commercial & Industrial ESS

Compatible with EV-EMS

Billion BH-2000 7kW 

AC EV Charger

5 years of warranty, extendable up to 10 years

Billion Fusio Nex 125kW/261kWh  

Commercial & Industrial ESS

5 years of warranty, extendable up to 20 years

Billion Giga Series 125-150kW 

Utility-Scale PV Inverter

Compatible with EV-EMS

Billion BH-2000 7kW 

AC EV Charger