New startup ideas · Physical world · Climate and energy
startup idea
Wattbid
The marketplace where small businesses sell their flexible power to the grid.
Wattbid enrolls the HVAC systems, EV chargers, and batteries of restaurants, gyms, and retail shops through the electrical and HVAC contractors who already service them, then auctions that aggregated flexibility to utilities and grid operators hungry for peak capacity.
- Marketplace
- Small business
- $100B+ market
- Network effects, winner takes most
- US first
4/5
venture judge
6
similar startups, last 2 years (33 all-time)
93%
of 1 nearest real companies still alive
yes
6 matching federal grants and programs
Direction supported by government programs and grants
Scorecard
One score that balances how trendy the idea is, the demand for it and its potential for 100x, with competition measured relative to every other idea in the catalog. Recent startup trends first, government priorities second.
67
Idea Score, 0-100 · raw 40.7 x 1.64
Active
competition: more crowded than 56% of ideas · headwind x0.72
+2.0
government priorities, secondary (6 matching grants)
Trend
38
Is the wave forming now? 2025-26 entrants vs 2023-24, rounds since 2025, the sector's live-batch direction, the 2026 trend analyst.
- Entrants 2025-26 vs 2023-24 (similar companies)10
- Rounds announced 2025+ in the sector68
- Sector direction (live batch)50
- 2026 trend analyst25
Demand
58
Does anyone want it? YC's current RFS, companies already paid for something similar, the operator judge, founders' yes-rate in decks, readers who would run the test.
- YC asks for it (current RFS: idea / sector)0
- Someone already pays (similar companies, recent / all-time)100
- Operator judge: real pain75
100x potential
69
Can it return a fund? The venture judge (double weight), market-size and moat axes, neighbours still alive, the technologist judge.
- Venture judge75
- Market size axis100
- Moat axis100
- Neighbours still alive42
- Technologist judge25
Score = 100 x cbrt(Trend x Demand x 100x) x (1 - 0.5 x crowding) + government bonus (max 5), calibrated so the 95th-percentile idea scores 90 (order never changes). A geometric mean: a weak pillar cannot be papered over. Percentiles are among the 272 ideas in the catalog; the terms matched were marketplace, sell, flexible, power, enrolls, hvac, chargers, batteries.
The idea in full
- What
- Wattbid enrolls the HVAC systems, EV chargers, and batteries of restaurants, gyms, and retail shops through the electrical and HVAC contractors who already service them, then auctions that aggregated flexibility to utilities and grid operators hungry for peak capacity. SMBs get monthly checks within weeks of enrollment via a no-code connection to their existing smart thermostats and chargers; Wattbid takes a cut of every cleared megawatt. Contractors act as the sales channel and earn a recurring share, so no field team knocks on doors twice.
- Why now
- Popper Power (Alchemist Class 41) is solving peak grid overload for utilities by turning streetlights into a VPP - evidence that grid operators are now paying for aggregated small loads - and the cluster's 170-company 2024 cohort, its largest ever, is concentrated exactly where data center demand is stressing US peak capacity.
- Wedge: first customer and entry point
- HVAC contractors in Texas enrolling restaurant thermostats and backup batteries into ERCOT emergency response programs, where payments clear fast and a three-person team can sign the first hundred sites through five contractor partnerships.
- Path to 100x
- US retail electricity is a $400B-scale market and grid operators will pay billions for peak flexibility as data center load grows; a two-sided marketplace where more enrolled megawatts win better auction prices, which recruits more contractors and SMBs, is a liquidity game that one player takes most of. The 100x case is Wattbid becoming the clearing venue for distributed flexibility - marketplace take rates on a structurally growing commodity.
- Ceiling
- Flexibility revenue per site is a few hundred dollars a year, so the outcome depends on reaching millions of sites before device makers bundle grid programs natively.
- Closest real companies, as the generator saw them
- Popper Power aggregates municipal streetlights for utilities; Wattbid aggregates private SMB loads through contractor channels, a side of the market no brief company touches. WattShift supplies utility rate data and is a natural data vendor, not a marketplace.
- Main risk
- Utility demand response program rules change and cut aggregator payments below the level that keeps SMBs and contractors engaged.
Five judges
Each judge scores every idea in the catalog with a named rubric; the venture judge decides whether a card is shown at all (4-5 is venture-grade).
Venture investor
4/5
Two-sided liquidity where more enrolled megawatts win better ERCOT clearing prices, sold through contractors so growth is not capped by founder hours.
Bootstrapper
5/5
Five HVAC contractor partnerships enrolling restaurant thermostats into ERCOT pays checks within weeks, with a three-person team and no capital stack.
Operator
4/5
ERCOT already pays for emergency response megawatts and HVAC contractors already service the sites, so revenue clears within a year.
Technologist
2/5
No-code hookups to existing thermostats and chargers is integration work that Tesla, Enphase, or the thermostat makers absorb in one release.
Risk
3/5
Contractor channel and SMB base are diversified, but ERCOT program rules set the payment level and can be rewritten annually.
trends
2/5
Demand response aggregation of small loads is a pre-2023 business; the ERCOT wedge is sensible but names no 2025-2026 shift the brief supports.
Similar startups in the directory
Companies whose pitch matches most of the idea's terms (marketplace, sell, flexible, power, enrolls, hvac, chargers, batteries): 33 all-time, 6 from the last two years. Same matching as Idea Check.
EV Motors Japan provides sales and services for commercial vehicles in the automotive industry.
They aim to bring widespread electrochemical storage to the grid for use anywhere, anytime
The fastest way to sell online.
AI technical support for complex physical products
Distributed energy infrastructure unlocking grid power to data centers
Ateios has engineered the first ultra-thin, flexible, printed battery.
Shopify for Enterprise Software. Boost Your Sales to Get 30% More Deals that are 80% Bigger and Close Them 40% Faster.
Marketplace for America's most essential assets
Virtual power plant for consumers' smart device installations
The AI-powered risk decision platform
Vendah is building a Faire-style marketplace for LATAM’s +50M…
B2B marketplace for Auto Dealers in Africa
The generator's reference companies
Real companies the model named as closest when it wrote the card, with their fate. A check mark is a company the radar could verify in its directory.
Public money in this direction
US federal grants, SBIR/STTR awards and open opportunities from the radar's public-money feed, matched to the idea's terms; the sector totals give the context.
6
grants and programs matching the idea
180
startup-relevant grants in Climate and energy
$155M
awarded in the sector, tracked
19
opportunities open now in the sector
- I-Corps: Translation Potential of an Ultra-Low-Power Microrobotic Sensing Platform for Deployable Distributed Robotic Systemsawardhigh relevance
National Science Foundation · I-Corps · $50K · posted 2026-08-17
- Percutaneous Stellate Ganglion Stimulation in Septic Shock to Improve Hemodynamics and Vasopressor Requirements During Transportawardhigh relevance
NIH / NHLBI · SBIR phase I · $294K · posted 2026-08-15
- I-Corps: Translation potential of a metal-free, membrane-free long duration energy storage technologyawardhigh relevance
National Science Foundation · I-Corps · $50K · posted 2026-08-10
- I-Corps: Translation Potential of Shape-stable Salogels for Low-Cost Thermal Batteriesawardhigh relevance
National Science Foundation · I-Corps · $50K · posted 2026-07-17
- Fuel Cell Longevity in Motion: Understanding and Controlling Degradation in Dynamic Environmentsawardmedium relevance
National Science Foundation · EPCL: Energy, Power, Control, · $467K · posted 2026-08-04
National Science Foundation · NSF Engines - Type 2 · $15M · posted 2026-07-14
Market signal
What the radar sees in Climate and energy: new companies by cohort year, the forming YC batch, and outcomes since the February snapshot.
Climate and energy · 92 → 112 → 184 → 97 → 32 new companies 2022 → 2026 · 91% aliveYC S26: 2 in this cluster, 1% of the batch (was 1% in X26) (F26 is still forming: 21 listed)Since February, of 118 YC companies here: 0 acquired, 2 shut down, 4 rewrote their pitch
Design attributes
The card is one cell of a designed set: every axis below was chosen before the text was written, and the text had to realize it.
- Buyer
- Small business
- Business model
- Marketplace
- Path to 100x
- Network effects, winner takes most
- Market size
- $100B+ market
- Capital intensity
- Capital-medium (ops, field teams)
- Speed to revenue
- Revenue within a year
- Technical depth
- Integrations, no-code
- Go-to-market
- Partners and channels
- Moat
- Network effects
- Geography
- US first
- Regulation
- Some regulation
- Vibe
- Hot space
Listed under
An idea sits in its own sector and in any sector its text clearly touches.
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Fictional company written 2026-08-26 from MarkosWeb data; the companies, grants and numbers around it are real and tracked. Treat the idea as a research prompt, not a plan.