Form Energy vs Sizable Energy
Form Energy vs Sizable Energy, compared side by side on 15 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: Form Energy is on 60/100 and Sizable Energy on 30/100.
Where each one leads
Form Energy
- our overall score: 60/100 against 30/100
- agent readiness: 50/100 against 36/100
- domain rating: 61/100 against 18/100
- funding raised: $1.4B against $18.6M
Sizable Energy
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Form Energy | Sizable Energy |
|---|---|---|
| What it is | Form Energy develops and manufactures long-duration, grid-scale iron-air batteries for cost-effective renewable energy storage. | Developing advanced battery technology for grid-scale energy storage. |
| Category | Batteries, Climate Tech, Energy Storage, Renewable Energy | Energy Storage, Battery Technology, Clean Energy, Grid-Scale Storage |
| Sells toBusiness model | B2B | B2B |
| Offering | Hardware | Hardware |
| Founded | 2017 | 2017 |
| Headquarters | Somerville, United States | Somerville, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Form Energy | Sizable Energy |
|---|---|---|
| Employees | 500 | Not published |
| Total funding | $1.4B | $18.6M |
| Latest round | Other | Seed |
| Valuation | $2.3B | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Form Energy | Sizable Energy |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 60/100 | 30/100 |
| Traction | 60/100 | 36/100 |
| Community | Not published | 14/100 |
| Search visibility | 8/100 | 2/100 |
| Quality | 78/100 | 35/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (50/100) | F (36/100) |
| Domain ratingLink authority, 0-100 | 61/100 | 18/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Form Energy | Sizable Energy |
|---|---|---|
| Hosting | Google Cloud | Not detected |
Form Energy vs Sizable Energy: common questions
Which is better, Form Energy or Sizable Energy?
On our 0-100 score Form Energy rates higher (60/100 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 15 data points above: read the rows that match what you are buying for.
How do Form Energy and Sizable Energy compare on the numbers?
Form Energy leads on our overall score (60/100 against 30/100), agent readiness (50/100 against 36/100), domain rating (61/100 against 18/100), funding raised ($1.4B against $18.6M).
Read the full Form Energy review and pricing or the Sizable Energy review and pricing. You can also browse other Form Energy alternatives we track.