Billion Watts
Billion Watts is a Taiwan-based solar PV and energy storage system integrator serving C&I customers, regulated heavy electricity users, and utilities across Taiwan, Australia, and Japan, with proprietary Fusio ESS, Pixel View monitoring, EMS, and EV charging products.
- Company typePrivate
- Founded2017
- HeadquartersTaipei, Taiwan
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What Billion Watts does
Billion Watts Technologies Co., Ltd. (盛齊綠能) is a Taiwan-headquartered solar PV and energy storage system integrator founded in 2017 and operating as a subsidiary of Billion Electric Group (TSE: 3027). The company designs, deploys, and operates distributed and utility-scale energy assets for commercial and industrial customers, Taiwan's regulated heavy electricity users (用電大戶), and utility operators across Taiwan, Australia, and Japan, with operating subsidiaries Billion Watts Australia Pty Ltd and Billion Electric Japan Co., Ltd.
The company's technology stack centers on its proprietary Fusio One II energy storage product, the Pixel View 5.0 monitoring and analytics platform, an in-house energy management system (EMS), and the BEVC 480K EV charger. It also distributes third-party PV inverters from SolarEdge and APsystems. Operationally, Billion Watts reports 2,000+ solar plants served, 532MW+ of inverter installation experience, 626MW of monitoring capacity, and 308MW/817MWh of energy storage under O&M representing NT$15.8 billion (approximately US$501 million) of managed assets, including Taiwan's largest central-region transmission-grade E-dReg installation (64MW/262MWh) in Yunlin.
The business model combines one-time hardware revenue (ESS, inverters, EV chargers) with recurring revenue from O&M service contracts, Pixel View monitoring subscriptions, and energy management services for grid ancillary programs such as E-dReg. Key commercial partners include SolarEdge, CATL (via Tun Green Power), TECO Australia & New Zealand, APsystems, Chunghwa Telecom, and Noodoe, supporting a turnkey delivery model across multiple APAC markets.
Billion Watts firmographics
Firmographics- Name
- Billion Watts
- Legal name
- Billion Watts Technologies Co., Ltd. (盛齊綠能股份有限公司)
- Website
- https://billionwatts.com.tw
- Company type
- Private
- Founded year
- 2017
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Billion Watts is a Taiwan-based solar PV and energy storage system integrator serving C&I customers, regulated heavy electricity users, and utilities across Taiwan, Australia, and Japan, with proprietary Fusio ESS, Pixel View monitoring, EMS, and EV charging products.
- Ownership category
- akta.pro rank
Billion Watts industry classification
Industry- Product category
- Solar PV and Energy Storage System Integration
- NAICS
- Battery Manufacturing (335910)
- SIC
- Electronic & Other Electrical Equipment (No Computer Equip) (3600)
- akta.pro primary industry
- Energy Storage Software & Controls (EMS, monitoring, optimization, cybersecurity) (IMAGAHAJ)
- akta.pro secondary industries
- Battery Modules & Packs (Industrial/Commercial pack assembly) (IMAGAHAB), Battery Management Systems (BMS) & Battery Electronics (IMAGAHAC), Battery Management Systems (BMS) & Pack Electronics Manufacturing (EUAFABAJ), Battery Management Systems (BMS) & Safety Controls (EUAFAAAD), EV/Industrial Charging Power Electronics (Chargers, rectifiers, power stages) (IMAGADAF), Renewable Power Electronics & Advanced Inverters R&D (SiC/GaN, Grid-Forming, HVDC Converter Tech) (EUAMAOAF)
Keywords
Where Billion Watts is headquartered
LocationHeadquarters
- HQ city
- Taipei
- HQ country
- Taiwan
- HQ region
- Asia
Offices6 records
Markets served
Billion Watts business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Energy Storage System (ESS) Sales: EPC and direct sales of MIT-made battery energy storage systems including Fusio series cabinets, PCS, BMS, and container solutions. Revenue from system integration, installation, and commissioning services.
- O&M Services: Long-term operations and maintenance contracts for solar PV and ESS assets. Includes corrective and preventive maintenance, remote monitoring, and performance optimization services.
- PV Inverter Distribution: Channel sales of SolarEdge, APsystems, and proprietary Billion PV inverters through authorized distributor network. Includes power optimizers and monitoring accessories.
- EV Charging Solutions: Sales of AC (BH-2000) and DC (BEVC 120-240K, BEVC 480K) EV chargers with EV-EMS energy management system integration.
- Monitoring System Services: Pixel View cloud monitoring platform providing solar PV monitoring, AI diagnostics, and SCADA services for power plant operators.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | ESS storage systems - custom project-based pricing |
Go-to-market motion3 records
Distribution channels3 records
Marketing channels5 records
Billion Watts product offering
Product offeringCore offering
Billion Watts designs, manufactures, and integrates MIT-made (Taiwan-manufactured) battery energy storage systems (Fusio series cabinets and containers), PV inverters (Giga series plus distributed SolarEdge and APsystems brands), and EV chargers (BH-2000 AC, BEVC 120-480kW DC). The company also operates the Pixel View AI-powered solar monitoring platform and delivers long-term operations and maintenance (O&M) services across Taiwan with expansion into Australia and Japan.
Product overview
Billion Watts (盛齊綠能) is a subsidiary of Billion Electric Group (TSE: 3027) providing comprehensive solar PV and energy storage solutions in Taiwan. The product portfolio centers on MIT-made energy storage systems including Fusio Nex (125kW/261kWh), Fusio One (100kW/215kWh), and large-scale container solutions (3.44MWh, 5MWh), complemented by the Pixel View AI monitoring platform for solar PV and ESS monitoring with SCADA integration. The company resells SolarEdge inverters and optimizers, distributes APsystems microinverters, and offers its own Giga Series PV inverters. EV charging solutions include BH-2000 AC charger (7kW) and BEVC DC chargers (120-480kW) with proprietary EV-EMS management. Key differentiators include AI-powered health diagnostics and fault prediction, UHV SCADA monitoring for 69kV/161kV substations, and integrated energy management systems supporting multiple revenue models including FCAS, demand response, and energy arbitrage.
Differentiator
Problem solved
Functional benefit
Quantifiable outcome
- 2.04% increase in power generation (SolarEdge)
- +2 more outcomes
Companies that use Billion Watts
Customer profileNamed customers2 records
Segments5 records
Ideal customer profiles3 records
Billion Watts technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration7 records
AI capability5 records
Feature5 records
Billion Watts partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered core and minor.
- TECO Australia & New Zealand (TAC)coreTAC (TECO Electric & Machinery's Australia subsidiary) holds 45% stake in the Seaspray Solar + BESS project (5.48MWp/11MWh) in Victoria, Australia. TAC will serve as EPC contractor and supply power infrastructure including transformers, RMUs and switchgear for Tranche 2 (50MW/200MWh) portfolio. Strategic partnership for Australian renewable energy market expansion.
- Tun Green PowercoreCo-investor in Seaspray project and Tranche 2 portfolio. Primary battery supplier deploying CATL Tier-1 battery technology for long-duration energy storage. Authorized CATL after-sales service center with comprehensive system integration capabilities.
- Legacy EnergyminorEPC contractor partner for Anakie solar-plus-storage project in Victoria, Australia. Collaborated on community engagement activities including school visits to the project site.
- EnervestminorPartnership on 50MW solar+BESS expansion in Australia through local development partner, leveraging sub-5MW projects and diversified strategy.
- Chunghwa TelecomminorTurnkey PoC project for integrated solar-storage-charging system at Chunghwa Telecom Institute in Kaohsiung. System includes 103.24 kWp solar, 100kW/215kWh storage, and EV chargers.
- SolarEdgecoreAuthorized distributor of SolarEdge PV inverters and power optimizers in Taiwan. Products feature Safe DC technology for fire safety and 20-year warranty. Major revenue stream for distributed solar PV products.
- APsystemsminorAuthorized distributor of APsystems DS3D PV microinverters (1900W) in Taiwan for residential and commercial solar installations.
- NoodoeminorPartnership on 光充儲 integrated demonstration site in Yilan combining solar, storage and EV charging. Noodoe provides EV charging management platform (EVOS) with AI automation.
- CATL (寧德時代)coreBattery technology supplier via Tun Green Power partnership. CATL supplies Tier-1 battery cells for energy storage systems deployed through the partnership network.
Scale indicators9 records
Recent moves6 records
Expansion highlights6 records
Billion Watts competitors and assessment
Company assessmentDirect peers
- Sungrow Power Supply: Sungrow is one of the world's largest PV inverter and energy storage system manufacturers. Billion Watts competes directly with Sungrow's PV inverters (against Giga Series) and ESS offerings (against Fusio) across global markets.
- Enphase Energy: Enphase is a leading microinverter and home energy storage provider. Billion Watts distributes APsystems microinverters, positioning it as a competitive alternative to Enphase in residential and small commercial PV.
- Fluence Energy: Fluence is a leading global provider of battery energy storage systems and AI-driven software, directly competing with Billion Watts' Fusio BESS line and Pixel View EMS. Both deliver utility-scale and C&I storage solutions with proprietary software stacks.
- SMA Solar Technology: SMA is a leading German manufacturer of PV inverters and battery inverter systems with global reach. They compete with Billion Watts in C&I and utility-scale solar+storage integration markets.
- Huawei Digital Power: Huawei's Digital Power business provides smart PV inverters, BESS, and EV charging solutions with integrated energy management. Billion Watts competes across all three product categories with similar integrated offerings.
- Delta Electronics: Delta Electronics is a Taiwan-based power and thermal management solutions provider with significant ESS and PV inverter businesses. They compete with Billion Watts in Taiwan and global markets for similar integrated energy solutions.
Broad incumbents
- Wartsila Energy Storage: Wartsila is a major incumbent in grid-scale energy storage and optimization software, competing with Billion Watts in the utility/front-of-meter BESS segment with mature technology and global presence.
- Tesla Energy (Megapack): Tesla's Megapack and Powerwall products compete with Billion Watts' Fusio series in the global utility-scale and residential BESS markets, representing large-scale competition in storage integration.
- SolarEdge Technologies: SolarEdge is a global leader in DC-optimized PV inverter technology and a key distribution partner for Billion Watts. They represent both an indirect competitor and a key supplier relationship.
Emerging players
- NHOA (formerly Engie EPS): NHOA provides energy storage and e-mobility solutions globally, with overlap in C&I BESS and EV charging infrastructure similar to Billion Watts' integrated offerings.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat6 records
Key risks5 records
Key highlights7 records
Customer concentration
Billion Watts social profiles
Digital presenceBillion Watts compliance and trust
Trust signalCompliance8 records
Billion Watts financial estimates
Financial estimateRevenue estimate
Valuation estimate
Billion Watts leadership team
Management profileNumber of profiles
Profiles2 records
Billion Watts subsidiaries and ownership
Company hierarchySubsidiaries2 records
Billion Watts funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Billion Watts M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Billion Watts
What does Billion Watts do?
Billion Watts designs, manufactures, and integrates MIT-made (Taiwan-manufactured) battery energy storage systems (Fusio series cabinets and containers), PV inverters (Giga series plus distributed SolarEdge and APsystems brands), and EV chargers (BH-2000 AC, BEVC 120-480kW DC). The company also operates the Pixel View AI-powered solar monitoring platform and delivers long-term operations and maintenance (O&M) services across Taiwan with expansion into Australia and Japan.
Is Billion Watts a public or private company?
Billion Watts is a private company. It is classified as corporate owned and is currently operating.
When was Billion Watts founded?
Billion Watts was founded in 2017. It employs 51 to 100 people.
Where is Billion Watts based?
Billion Watts is headquartered in Taipei, Taiwan, in the Asia region.
How does Billion Watts make money?
Five revenue lines are on record. Energy Storage System (ESS) Sales are the primary driver. The others are O&M Services, PV Inverter Distribution, EV Charging Solutions and monitoring System Services.
Who are Billion Watts's main competitors?
Direct peers on record are Sungrow Power Supply, Enphase Energy, Fluence Energy, SMA Solar Technology, Huawei Digital Power and Delta Electronics. Broad incumbents are Wartsila Energy Storage, Tesla Energy (Megapack) and SolarEdge Technologies. NHOA (formerly Engie EPS) is listed as an emerging player.
Does Billion Watts have an API?
No public API is recorded for Billion Watts.
What industry is Billion Watts in?
Billion Watts's product category is Solar PV and Energy Storage System Integration. Its primary akta.pro industry code is IMAGAHAJ, Energy Storage Software & Controls (EMS, monitoring, optimization, cybersecurity), with a secondary code of IMAGAHAB, Battery Modules & Packs (Industrial/Commercial pack assembly). Its NAICS code is 335910 and its SIC code is 3600.