Fourth Power vs Sizable Energy
Fourth Power vs Sizable Energy, compared side by side on 13 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Fourth Power is on 51/100 and Sizable Energy on 30/100.
Where each one leads
Fourth Power
- our overall score: 51/100 against 30/100
- funding raised: $49.0M against $18.6M
Sizable Energy
- agent readiness: 36/100 against 22/100
- domain rating: 18/100 against 1/100
At a glance
| Measure | Fourth Power | Sizable Energy |
|---|---|---|
| What it is | Developing advanced battery technology for grid-scale energy storage. | Developing advanced battery technology for grid-scale energy storage. |
| Category | Energy Storage, Battery Technology, Clean Energy, Grid Modernization | Energy Storage, Battery Technology, Clean Energy, Grid-Scale Storage |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2017 | 2017 |
| Headquarters | San Carlos, United States | Somerville, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Fourth Power | Sizable Energy |
|---|---|---|
| Total funding | $49.0M | $18.6M |
| Latest round | Series A-Plus | Seed |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Fourth Power | Sizable Energy |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 51/100 | 30/100 |
| Traction | Not published | 36/100 |
| Community | Not published | 14/100 |
| Search visibility | 2/100 | 2/100 |
| Quality | Not published | 35/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (22/100) | F (36/100) |
| Domain ratingLink authority, 0-100 | 1/100 | 18/100 |
Fourth Power vs Sizable Energy: common questions
Which is better, Fourth Power or Sizable Energy?
On our 0-100 score Fourth Power rates higher (51/100 against 30/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 13 data points above: read the rows that match what you are buying for.
How do Fourth Power and Sizable Energy compare on the numbers?
Fourth Power leads on our overall score (51/100 against 30/100), funding raised ($49.0M against $18.6M). Sizable Energy leads on agent readiness (36/100 against 22/100), domain rating (18/100 against 1/100).
Read the full Fourth Power review and pricing or the Sizable Energy review and pricing. You can also browse other Fourth Power alternatives we track.