![]() VRB Energy VRB Energy (formerly known as Pu Neng and Prudent Energy) designs and manufactures Vanadium Redox Battery Energy Storage System, an advanced flow battery system. | ![]() Sunamp Sunamp Heat Batteries store heat in a super-compact and efficient form. Combined with solar (SunampPV) or heat pumps they deliver sizeable heating bill savings. | FSP Group FSP Group (also known as FSP Technology, 全漢企業股份有限公司) is a provider of green energy solutions. | ![]() Beijing Easpring Material Technology Beijing Easpring Material Technology (北京当升材料科技股份有限公司) is a company engaged in the research and development of new energy materials. | |
Founding Date | Founding Date 2006 | Founding Date 2006 | Founding Date 1993 | Founding Date 2001 |
Type | Type Private | Type Private | Type Public | Type Public |
Tags | ||||
Locations | Locations Tongzhou, CN HQ Vancouver, CA | Locations Tranent, GB HQ Bridgend, GB Carlisle, GB Rainham, GB | Locations Taoyuan, TW HQ Shenzhen, CN Wuxi, CN Augsburg, DE Mönchengladbach, DE Willich, DE Kaohsiung, TW see more | Locations Beijing, CN HQ |
Employees | Employees 34 | Employees 814% increase | Employees 5,38513% decrease | Employees 1,798 |
Financial | ||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) £200.8k (FY, 2017) | Revenue (est.) NT$13.1b (FY, 2025) | Revenue (est.) ¥10.2b (FY, 2025) |
Cost of goods | Cost of goods N/A | Cost of goods £347.1k (FY, 2017) | Cost of goods NT$10.4b (FY, 2025) | Cost of goods ¥9.1b (FY, 2025) |
Gross profit | Gross profit N/A | Gross profit (£146.3k) (FY, 2017) | Gross profit NT$2.7b (FY, 2025) | Gross profit ¥1.3b (FY, 2025) |
Net income | Net income N/A | Net income (£1.6m) (FY, 2017) | Net income NT$380.8m (FY, 2025) | Net income ¥635.1m (FY, 2025) |
Funding | ||||
Latest funding round | Latest funding round $ 29.5m (over 14 years ago) | Latest funding round $ 4.1m (over 10 years ago) | Latest funding round N/A | Latest funding round N/A |
Total funding raised | Total funding raised $ 51.5m | Total funding raised $ 6.1m | Total funding raised N/A | Total funding raised $ 3.9m |

Sunamp Heat Batteries store heat in a super-compact and efficient form. Combined with solar (SunampPV) or heat pumps they deliver sizeable heating bill savings.
View companyFSP Group (also known as FSP Technology, 全漢企業股份有限公司) is a provider of green energy solutions.
View company
Beijing Easpring Material Technology (北京当升材料科技股份有限公司) is a company engaged in the research and development of new energy materials.
View company