Oct 31, 2024 · 49m · catalyst
Why climate tech startups get this one thing wrong
Shayle Kann · 20m spoken Dr. Greg Thiel · 12m spoken Dr. Melissa Ball · 9m spoken Stephen Lacey · 2m spoken
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gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions
Shayle Kann and Energy Impact Partners' technical diligence team examine the fundamentals of Techno-Economic Analysis (TEA) for climate tech startups, outlining five common modeling pitfalls founders must avoid to build viable commercial enterprises.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Shayle holds 44.2% of the talking time here. How this is scored →
Shayle as informed peer 6.4 Guest teaching 3.0 Guest disagreement 0.6 Shayle pushing back 0.9
speaking balance: gold is Shayle, purple is the guest (3 minute bins)
Sharpest disagreement ▶ 16:08 Greg rejects the industry trope of free waste heat
In a very collegial episode, Greg's strongest push is his direct attack on the common TEA assumption of free waste heat, arguing the heat-exchanger integration CapEx almost always negates the thermodynamic benefit.
Hardest push from Shayle ▶ 18:38 Shayle presses for concrete e-fuel input cost numbersShayle directly challenges the guests to pin down realistic numerical thresholds for hydrogen and CO2 input costs in synthetic aviation fuels rather than relying on vague future cost declines.
Biggest teaching moment ▶ 14:18 Melissa deconstructs the organic molecule cost mythMelissa educates listeners on chemical reality, explaining that organic redox flow molecules carry high purification costs and must approach the cost of ethylene ($1/kg) to realistically compete against LFP or vanadium.
Shayle holds their own ▶ 31:53 Shayle details thin-film solar cost curve failureShayle demonstrates deep market expertise by recounting how late-2000s thin-film startups failed because they benchmarked against static silicon prices instead of anticipating the dramatic decline in crystalline silicon cost floors.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | Shayle as informed peer | Guest teaching | Guest disagreement | Shayle pushing back | Why |
|---|---|---|---|---|---|---|
| Introducing EIP's Tech Diligence Team and TEA | 0 | 0 | 0 | 0 | Segment 1 is an uninterrupted host monologue introducing the Frontier Fund, Energy Impact Partners' technical diligence team, and the purpose of TEA in climate tech diligence. As a solo monologue, host interaction metrics are scored at zero. | |
| The Fundamentals and Purpose of Techno-Economic Analysis | 6 | 4 | 1 | 0 | The conversation is highly collaborative between colleagues. Greg defines TEA as a roadmap for finding sensitivities, while Shayle articulates how early-stage modeling quantifies the necessary 'magical thinking'. Melissa expands on how non-engineering founders like chemists often need TEA frameworks demystified. | |
| Pitfall 1: Unreasonable Assumptions and Input Costs | 8 | 4 | 1 | 2 | The hosts and guests dissect flawed input assumptions. Melissa highlights the unrealistic assumption of 2-cent 24/7 renewable power, which Shayle expands with delivered electricity pricing versus LCOE. Melissa teaches the hidden purification costs of organic molecules compared to ethylene, and Greg breaks down the illusion of 'free waste heat'. | |
| Pitfall 2: Component-Level Optimization vs. Full-System Costs | 7 | 4 | 0 | 1 | The team discusses component versus system optimization. Shayle provides the example of utility-scale solar where hardware is dwarfed by soft costs and balance of plant. Melissa illustrates modular ammonia reactors where hydrogen and nitrogen balance of plant dominate costs, while Greg shares drivetrain efficiency trades. | |
| Sponsor Message: Bloom Energy Fast-Deploy Clean Power | 8 | 4 | 1 | 1 | Following the sponsor break, the discussion focuses on apples-to-oranges comparisons and dynamic baselines. Shayle details commodity floor pricing and cites the historical collapse of thin-film solar against crystalline silicon, prompting Greg to explain why new battery tech must target 2035 LFP installed costs ($100-150/kWh) rather than today's benchmarks. | |
| Pitfall 4: Solving the Wrong Problems and Over-Optimizing Single Metrics | 8 | 3 | 1 | 1 | Greg discusses over-optimizing single metrics like methanol conversion pass rates. Shayle offers sharp domain examples across agricultural robotics weeding speed and mining extraction kinetics versus downstream facility integration. | |
| Pitfall 5: False Precision and Modeling Theater | 8 | 2 | 0 | 1 | Shayle raises the pitfall of false precision and modeling theater at the seed stage. Melissa and Greg agree on treating TEA as a living document, and Shayle neatly synthesizes the three core purposes of early-stage modeling: squint test, sensitivities, and critical path. |
Statements from this episode (13)
Kann: Climate tech TEA modeling is often done poorly, even by veterans
“And we think it is often done poorly, even sometimes by very experienced entrepreneurs.”
Ball: Green tech startups falsely assume two-cent renewable power at 100% capacity
“If you're going to be in climate tech, you want to be green, and so you're almost certainly tethering yourself to a renewable source, which means your capacity factor isn't going to be a hundred percent. So it's kind of like having your cake and eating it, too…”
Thiel: Synthetic fuels require $1/kg hydrogen and $100–$200/ton CO2
“And you know that, you know, for a fuel, if you want to get anywhere close to economically competitive, you know, subsidies decide you have to have hydrogen that's going to be on the order of a dollar per kilogram, and you have to have CO two that's in that 10…”
Kann: Founders should confine magical thinking to technology leaps, not input costs
“So try to isolate your magical thinking to the technology leap that you need to take in the first place, because that is within your control much more so than the inputs that you're gonna get.”
Thiel: Facility installation costs are typically two to four times core equipment
“Thinking about sort of a chemical or a fuel synthesis type process, the core equipment, you know, might only, or the total installed cost of a facility might be two, three, four, even more times the cost of the core componentry itself, and so if you end up foc…”
Kann: Solar modules are now a minority of utility-scale project costs
“In utility scale solar, you know, the module is a minority share of the overall project cost. And so most of the costs now fall into a combination of the balance of systems and then increasingly not the hardware, right? It's labor and interconnection and permi…”
Ball: Modular ammonia costs are driven by upstream hydrogen and nitrogen feedstocks
“I think we saw this a lot in the modular ammonia space where, you know, the secret sauce is on this low pressure, low temperature, relatively reactor. And that's a really nice to have, but what, you know, we found, you know, doing our own internal work is that…”
Thiel: Small EV drivetrain efficiency gains matter because batteries are expensive
“The biggest, biggest single line item cost in an electric vehicle is, is the batteries, and a lot of the drivetrain, you know, power conversion equipment, motors, and so forth, are really, really efficient, and so it could be tempting to kind of, if you're loo…”
Ball: Ammonia transport costs can be double the levelized production costs
“Ammonia, you know, we did a deep dive on what those distribution costs could be, and, you know, you, depending on where you are in, in the U.S., or, and I'll stay U.S. Centered, but this is even more so outside the U.S., Those distribution and transport costs …”
Thiel: New grid storage must hit $100-$150/kWh to beat 2030s LFP
“So I think that the numbers that we've landed on in, in our work are sort of in the hundred to 150 dollars per kilowatt hour total installed system cost. If you can see a path, a pretty clear path to those numbers, with your system, then you probably have a pr…”
Thiel: Single-pass conversion gains do not significantly improve green methanol economics
“If you get A better conversion of CO two and hydrogen to methanol on a single pass. It just really doesn't move the overall economics in a huge way because again, back to a previous point, CO two and hydrogen are the big cost drivers in that system.”