13 investors back Rio de Janeiro energy tech in 2026. The city is Brazil's oil and gas capital. Petrobras, development banks, and energy CVCs lead the funding.
Rio is Brazil's oil and gas hub, and Petrobras runs its headquarters from here. That concentration pulls capital, talent, and technical know-how into one city.
The energy transition is now driving a fresh wave of startups. Decarbonization has become the theme that ties most of those new companies together.
Petrobras and the state banks fund the bulk of this work, while energy CVCs back much of the rest. Energy rounds turn on technical proof more than on a polished story, so Ellty keeps your files in one tracked room where every backer leaves a trail.
| Type | Check size | Sector focus | Website | |
|---|---|---|---|---|
| Petrobras | National oil company | R$1M-$2M projects | Oil tech, decarbonization, renewables | petrobras.com.br |
| Petrobras Energy-Transition Fund | Petrobras CVC (Valetec) | Energy-transition cheques | Renewables, storage, carbon capture | valetec.com.br |
| BNDES | Development bank | Credit and equity, large | Green economy, clean energy | bndes.gov.br |
| Petrobras–BNDES Fund | Joint innovation CVC | CVC cheques | Low-carbon, renewable energy | Petrobras-BNDES fund |
| FINEP | Innovation agency | R$9M-$15M grants | Energy transition, hydrogen | finep.gov.br |
| Vibra Ventures | Energy CVC | Seed, Series A cheques | Energy transition, mobility | vibraenergia.com.br |
| Vox Capital | Impact and climate VC | Low single-digit US$M | Climate tech, renewables | voxcapital.com.br |
| Positive Ventures | Climate VC | Up to ~US$1.5M | Climate, clean tech, energy | positive.ventures |
| MOV Investimentos | Bioeconomy impact fund | Mid-market cheques | Bioeconomy, clean energy | movinvestimentos.com.br |
| SENAI CIMATEC | Energy-transition institute | Grant and R&D funded | Hydrogen, offshore, decarbonization | senaicimatec.com.br |
| Shell | Oil-major program | Minority equity, global | New energy, decarbonization | shell.com.br |
| Equinor Ventures | Energy-major CVC | Energy CVC cheques | Low-carbon, offshore energy | equinor.com |
| TotalEnergies Ventures | Energy-major CVC | Energy CVC cheques | Renewables, low-carbon tech | totalenergies.com |
Keep your energy data room ready for every backer
Energy backers run hard technical diligence on your pilots and data. Ellty logs every view so you know who is serious before the call.
Start free 14-day trialWhat an energy tech investor backs
An energy investor backs a real fix, not a forecast. They want proof that the technology actually cuts cost or carbon in the field.
That is why they read pilot results and field data closely. Hard numbers, more than a tidy narrative, are what win the round.
They look for a clear and durable cost edge over the incumbent. A clean fundraising file makes that edge easy to find and check.
Ellty gives each backer one tracked link to the same room. You see who read your data first, and how far they got.
The cooperation with BNDES will accelerate governance and CVC structuring, serving as a growth lever for capturing innovation value in low-carbon energies.
13 Rio de Janeiro energy tech investors
1. Petrobras
Petrobras runs Brazil's biggest energy innovation push.
Recent Activity: Earmarked US$100M for startups by 2028
LinkedIn: Petrobras LinkedIn
Sector Focus: Oil tech, decarbonization, renewables
Stage Focus: Early to growth
Check Size: R$1M-$2M projects
Location: Rio de Janeiro
Website: petrobras.com.br
2. Petrobras Energy-Transition Fund
This Petrobras fund backs low-carbon startups.
Recent Activity: Picked Valetec to run a ~US$96M fund
LinkedIn: Valetec Capital LinkedIn
Sector Focus: Renewables, storage, carbon capture
Stage Focus: Early, growth
Check Size: Energy-transition cheques
Location: Rio de Janeiro
Website: valetec.com.br
3. BNDES
BNDES backs green-economy startups and projects.
Recent Activity: Backs green-economy startups via Garagem
LinkedIn: BNDES LinkedIn
Sector Focus: Green economy, clean energy
Stage Focus: Acceleration, credit
Check Size: Credit and equity, large
Location: Rio de Janeiro
Website: bndes.gov.br
4. Petrobras–BNDES Fund
This joint fund backs low-carbon energy startups.
Recent Activity: A 2024 low-carbon CVC venture
Sector Focus: Low-carbon, renewable energy
Stage Focus: Early, growth
Check Size: CVC cheques
Location: Rio de Janeiro
Website: Petrobras-BNDES fund
5. FINEP
FINEP funds green hydrogen and offshore R&D.
Recent Activity: Backs green hydrogen and offshore R&D
LinkedIn: FINEP LinkedIn
Sector Focus: Energy transition, hydrogen
Stage Focus: R&D to scale-up
Check Size: R$9M-$15M grants
Location: Rio de Janeiro
Website: finep.gov.br
6. Vibra Ventures
Vibra backed climate-data firm DEEP ESG.
Recent Activity: Backed climate-data firm DEEP ESG
LinkedIn: Vibra Energia LinkedIn
Sector Focus: Energy transition, mobility
Stage Focus: Seed, Series A
Check Size: Seed, Series A cheques
Location: Rio de Janeiro
Website: vibraenergia.com.br
Share one link with every Rio energy backer
Ellty shows when a backer opens your pilot data. Follow up at the right moment, not days later.
Start free 14-day trial7. Vox Capital
Vox expanded into climate and clean energy.
Recent Activity: Expanded into climate and clean energy
LinkedIn: Vox Capital LinkedIn
Sector Focus: Climate tech, renewables
Stage Focus: Early stage
Check Size: Low single-digit US$M
Location: São Paulo
Website: voxcapital.com.br
8. Positive Ventures
Positive closed an impact fund for climate bets.
Recent Activity: Closed a ~US$25M impact fund
Sector Focus: Climate, clean tech, energy
Stage Focus: Early stage
Check Size: Up to ~US$1.5M
Location: São Paulo
Website: positive.ventures
9. MOV Investimentos
MOV runs a nature and clean-energy fund.
Recent Activity: Runs a nature and clean-energy fund
LinkedIn: MOV Investimentos LinkedIn
Sector Focus: Bioeconomy, clean energy
Stage Focus: Mid-market impact
Check Size: Mid-market cheques
Location: São Paulo
Website: movinvestimentos.com.br
10. SENAI CIMATEC
CIMATEC builds a green-hydrogen pilot plant.
Recent Activity: Building a green-hydrogen pilot
Sector Focus: Hydrogen, offshore, decarbonization
Stage Focus: R&D, acceleration
Check Size: Grant and R&D funded
Location: Salvador
Website: senaicimatec.com.br
11. Shell
Shell runs a Brazil startup-innovation program.
Recent Activity: Runs a Brazil startup-innovation program
LinkedIn: Shell LinkedIn
Sector Focus: New energy, decarbonization
Stage Focus: Series A, B
Check Size: Minority equity, global
Location: Rio de Janeiro
Website: shell.com.br
12. Equinor Ventures
Equinor's venture arm is active around Brazil.
Recent Activity: A global energy venture arm in Brazil
Sector Focus: Low-carbon, offshore energy
Stage Focus: Series A, B
Check Size: Energy CVC cheques
Location: Norway
Website: equinor.com
13. TotalEnergies Ventures
TotalEnergies backs low-carbon tech worldwide.
Recent Activity: A global energy venture arm in Brazil
Sector Focus: Renewables, low-carbon tech
Stage Focus: Series A, B
Check Size: Energy CVC cheques
Location: France
Website: totalenergies.com
Why Rio leads Brazilian energy
Petrobras anchors Rio's economy, and oil and gas run deep through the city. Decades of offshore work have built a dense base of suppliers and engineers here.
Pre-salt output hit a record in 2025, which keeps drawing the global majors back. Those basins remain among the most productive that any of them operate.
The energy transition is now the next push for the whole cluster. Decarbonization startups are growing fast on top of that established base.
Ellty keeps your energy data ready for whoever asks to see it. See our Rio real estate investors guide too.
Where the energy money is
Petrobras leads the energy spend by a wide margin in Rio. The state banks add the long-term, patient money behind it.
Decarbonization is now drawing most of the new cheques. Hydrogen and renewables are the fastest-growing slices of that spend.
Energy data tends to be sensitive and very large. Keep all of it in one virtual data room instead of scattered files.
Ellty logs who opened each file and when. Track every backer with document analytics as the round moves.
From an energy pilot to a funded round
A first round funds your pilot, and the next round funds real scale. The jump between them is where most energy startups stall.
Keep backers close with steady, honest updates between rounds. Use investor relations tools to do that without losing track.
Read our due diligence timeline guide before the calls start. Knowing what each backer checks lets you prepare the right files early.
Ellty stores every file in one room with a full access log. See the red flags funds watch for so none of them surprise you.
How to pitch an energy tech investor
Lead with a real field result.
- 1.Lead with a real field result.Open with a number from the field, not a projection. Show the exact cost or carbon you cut and where you measured it.
- 2.Prove a pilot already works.Energy backers want hard data from a system that already runs. Walk them through the pilot, its conditions, and what the results mean at scale.
- 3.Share one Ellty link to your data.Send a single tracked Ellty link instead of loose attachments. Track who opens each file so you know which fund is actually reading.
- 4.Follow up the day a fund digs in.Ellty shows you the moment a backer starts working through your data. Reach out that same day, while your pilot is still fresh in their mind.
How Ellty helps you land an energy investor in Rio
You've shortlisted your Rio energy investors already. Set up a data room before the first call.
- 1.Upload your pilot data, deck, and plan.Set access per fund or partner.
- 2.Share one trackable link with each backer.Each backer gets their own link.
- 3.Watch opens and follow up on time.Use analytics to time each nudge.
Rio energy tech investor questions
- Petrobras, BNDES, and FINEP lead. Energy CVCs back startups too.
- Petrobras and pre-salt are here. Oil and gas anchor the city.
- Grants and cheques run to millions. Banks deploy far larger sums.
- Yes, it is the top theme now. Decarbonization draws most money.
- A real cost or carbon cut. A pilot that already works.
- Before your first investor call. Track who opens your data.
