Fusebox
Run energy operations as one system. Control, aggregate, and execute ancillary market workflows without vendor lock-in.
34 employees · est. 2014 · Tallinn, Estonia
Fusebox is the older company (2014 vs 2015); Sympower is the larger of the two.
Side-by-Side Comparison
| Metric | Fusebox | Sympower |
|---|---|---|
| Founded | ||
| Founded | 2014 older | 2015 |
| Headquarters | ||
| Headquarters | Tallinn, Estonia | Amsterdam, The Netherlands |
| Employees | ||
| Employees | 34 | 170 larger |
| Industry | ||
| Industry | Energy, Energy Storage | Energy, Renewable Energy |
| Funding Stage | ||
| Funding Stage | Unknown | Series B |
| Total Funding | ||
| Total Funding | $6.69M | $73.60M |
| Funding Rounds | ||
| Funding Rounds | 5 | 10 |
| Services | ||
| Services | Virtual Power Plant (VPP), Energy Management Software (EMS), Day-ahead & Intraday Trading, Demand Response and Ancillary Services, Energy Storage Management, Client Software Integration | BRP platform, Symbalance, BESS solutions, demand response, market trading, asset aggregation, grid compliance |
| Target Customers | ||
| Target Customers | Energy Retailers, Asset Aggregators, Asset Owners, Original Equipment Manufacturers | utility-scale BESS operators, commercial and industrial companies, BRPs (Balance Responsible Parties), renewable energy developers, chemical industry, agriculture, data centers, automotive, cement industry, metallurgy, pulp & paper, energy companies, RES owners |
| Taxonomy | ||
| Taxonomy | Energy Operating System, Ancillary Market Workflows, Telemetries And Dispatch, Portfolio Orchestration, Energy Market Execution, TSO Integrations, Virtual Power Plant, Flexibility Markets, Demand Response, Hybrid Site Optimization, Interoperability, DER Orchestration, Energy Management Systems, Market Standardization, Real-time Dispatch Coordination | Battery Energy Storage System (BESS), Flexibility Services, Energy Transition, Multi-market Optimisation, Algorithmic Trading, Market Integration, Demand-side Services, Renewable Portfolios, Grid Stabilisation, Automated Flexibility, Non-intrusive Software Solutions, Distributed Energy Resources, Virtual Power Plant, Smart Tariffs, Frequency Response |
| Website | ||
| Website | fusebox.energy | sympower.net |
About Fusebox
Fusebox, founded in 2014 and headquartered in Estonia, is a leading player in the Energy and Energy Storage industries. With a focus on providing a vendor-agnostic, modular energy operating system, Fusebox is revolutionizing how energy operations are conducted. The company's solution connects dispa...
About Sympower
Sympower, founded in 2015 and headquartered in The Netherlands, stands at the forefront of Europe's energy transition. As the leading independent optimizer and flexibility services provider, the company's slogan, "Powering Change Together," encapsulates its mission to advance renewable solutions. S...
We will tell you when either one moves
BounceWatch watches Fusebox and Sympower for new funding, fast hiring, new executives and a change of software vendor. When one happens, we email you the same day.
Funding, hiring, leadership and stack changes at Fusebox and Sympower — by email.
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Compiled from the BounceWatch company index. We last looked at Fusebox on 1 Apr 2026, and Sympower on 7 Aug 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.