New startup ideas · Physical world · Climate and energy
startup idea
Ampyard
A subscription that bids your home battery into wholesale power markets, in any country.
Consumers pay a flat monthly fee for software that takes control of whatever battery, heat pump, EV charger or hybrid inverter they already own and trades that flexibility in the local wholesale and balancing markets, keeping the earnings for the household.
- Software subscription
- Consumer
- $100B+ market
- Creates a new category
- Global from day one
3/5
venture judge
4
similar startups, last 2 years (32 all-time)
96%
of 4 nearest real companies still alive
yes
8 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.
72
Idea Score, 0-100 · raw 43.8 x 1.64
Active
competition: more crowded than 47% of ideas · headwind x0.76
+2.7
government priorities, secondary (16 matching grants)
Trend
35
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)23
- Rounds announced 2025+ in the sector68
- Sector direction (live batch)50
- 2026 trend analyst0
Demand
67
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)100
- Someone already pays (similar companies, recent / all-time)100
- Operator judge: real pain0
100x potential
66
Can it return a fund? The venture judge (double weight), market-size and moat axes, neighbours still alive, the technologist judge.
- Venture judge50
- Market size axis100
- Moat axis100
- Neighbours still alive71
- 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 subscription, bids, home, battery, wholesale, power, consumers, pay.
The idea in full
- What
- Consumers pay a flat monthly fee for software that takes control of whatever battery, heat pump, EV charger or hybrid inverter they already own and trades that flexibility in the local wholesale and balancing markets, keeping the earnings for the household. Ampyard writes and certifies the control firmware layer for each major inverter family, holds the aggregator prequalification and market collateral itself, and settles payouts to the customer's bank account. The heavy part is not the box in the garage but the per-market certification, telemetry fleet and collateral the company carries before any household earns anything.
- Why now
- The radar's most recent cohort is explicitly building the hardware side of this: Voxel Energy (yc W26) on solar plus repurposed batteries and NODI Energy (yc X25) on distributed energy infrastructure, while WattShift (techstars TS 2026) is assembling utility rate and price signal data. Meanwhile the consumer-side attempts in the graveyard, Pelm (2022, Plaid for utilities) and Leafpress (2023, AI energy management), died as data plumbing with no market revenue attached, and no pitch phrase in this cluster repeats across four or more recent companies, so the household-as-market-participant framing is unclaimed.
- Wedge: first customer and entry point
- Start with owners of one inverter brand in one market with a real imbalance price, sign them self-serve through installer forums, and prove a single number: euros per battery per month after fees.
- Path to 100x
- Residential electricity and flexible load is a $100B+ annual spend globally, and a fleet that clears more megawatt hours forecasts better, posts collateral more cheaply and wins better market prequalification, so the second entrant in each country earns less per battery than the first. If Ampyard becomes the default trading layer across three inverter families worldwide, it defines a category, household flexibility as a traded asset, in which winner-takes-most per market.
- Ceiling
- Per-household earnings settle at a few hundred dollars a year, so ARPU stays under $10 a month and utilities bundle the same service free with a tariff.
- Closest real companies, as the generator saw them
- Voxel Energy and NODI Energy build and own generation and storage assets; Ampyard owns no hardware and monetizes only the control and market access layer on batteries the consumer already bought. Pelm and Leafpress read household energy data without ever holding a market position.
- Main risk
- Inverter makers close their local control APIs and ship their own trading app, cutting the fleet off overnight.
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
3/5
$100B+ flexible load and per-market prequalification advantage, but sub-$10 monthly ARPU and inverter makers closing local APIs cap the upside.
Bootstrapper
1/5
Per-market aggregator prequalification and market collateral must be carried before any household earns, on sub-$10 ARPU.
Operator
1/5
Sub $10 monthly ARPU on a household benefit utilities bundle free is a vitamin, and inverter makers control the API.
Technologist
2/5
The whole product sits on inverter local control APIs that Fronius or SolarEdge can close in a firmware release.
Risk
1/5
The whole fleet lives on inverter makers' local control APIs, which the card admits can be closed overnight, across per-market prequalification the company funds first.
trends
1/5
Home battery aggregation existed in 2023 via Tesla and EU aggregators; its why-now cites dead companies Pelm and Leafpress, which is history, not a shift.
Similar startups in the directory
Companies whose pitch matches most of the idea's terms (subscription, bids, home, battery, wholesale, power, consumers, pay): 32 all-time, 4 from the last two years. Same matching as Idea Check.
Smart packaging that tracks consumer product usage
Self learning computer use agent for developers
The app platform inside Claude and ChatGPT.
AI powered holistic intelligence and workflow automation suite for Procurement & Supply Chain (P2P, S2C)
Virtual power plant for consumers' smart device installations
AI-driven Retention Automation for subscription media businesses.
First all-in-one home energy trading platform, enabled by seamless lego-like power system
Subscription entertainment news
Reselling marketplace for social media entrepreneurs in Pakistan
Subscription consumer electronics for Asia
We let customers "Buy Now Pay Later" on any store in Europe.
Enable Buy-Now-Pay-Later in a White-Labelled Manner
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.
8
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 Artificial Intelligence (AI)-Powered Materials Characterization Platform for Automated Microscopy and Spectroscopy Analyticsawardhigh relevance
National Science Foundation · I-Corps · $50K · posted 2026-08-19
- Development of a Novel Pediatric LVAD for Home Discharge of Children Awaiting Heart Transplantawardhigh relevance
NIH / NHLBI · SBIR phase II · $1M · posted 2026-08-10
National Science Foundation · I-Corps · $50K · posted 2026-08-10
- I-Corps: Translation potential of an Artificial Intelligence-driven electricity market optimization platformawardhigh relevance
National Science Foundation · I-Corps · $50K · posted 2026-07-17
National Science Foundation · SBIR Phase I · $305K · posted 2026-06-23
NIH / NIMH · SBIR phase II · $861K · posted 2025-08-01
NIH / NHLBI · SBIR phase II · $1M · posted 2025-08-01
National Science Foundation · NSF Engines - Type 2 · $15M · posted 2026-08-20
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
- Consumer
- Business model
- Software subscription
- Path to 100x
- Creates a new category
- Market size
- $100B+ market
- Capital intensity
- Capital-heavy (hardware, bio, infra)
- Speed to revenue
- R&D first, revenue after 3 years
- Technical depth
- Real engineering
- Go-to-market
- Self-serve
- Moat
- Network effects
- Geography
- Global from day one
- 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 2026-08-23 from MarkosWeb data; the companies, grants and numbers around it are real and tracked. Treat the idea as a research prompt, not a plan.