CleanTech Due Diligence › Metrics › Series B

Key Metrics for CleanTech Startups at Series B Stage: Investor Benchmarks

These 5 metrics are what institutional investors evaluate when screening CleanTech startups at the Series B stage. Each metric is accompanied by benchmark ranges sourced from our database of 3+ comparable company analyses.

Series B Stage Traction Expectation: 10+ enterprise logos. International customers or clear GTM plan. Partnerships with major platforms.
Metrics Expected at Series B: $3M–$15M ARR, 100%+ YoY growth, NRR >110%, Gross Margin >70%

01. Levelized Cost of Energy (LCOE)

Must be competitive with grid parity in target markets

The fundamental unit economics of energy technology

Series B context: At Series B stage ($20M–$60M), this metric is the primary evaluation criterion. 10+ enterprise logos. International customers or clear GTM plan. Partnerships with major platforms.

02. Technology Readiness Level (TRL)

TRL 6+ (prototype demonstrated in relevant environment) for investment

Hardware requires TRL progression before commercialization

Series B context: At Series B stage ($20M–$60M), this metric is the primary evaluation criterion. 10+ enterprise logos. International customers or clear GTM plan. Partnerships with major platforms.

03. Carbon Abatement Cost ($/tonne CO2)

<$100/tonne is commercially viable | <$50 is best-in-class

Versus the social cost of carbon and carbon credit prices

Series B context: At Series B stage ($20M–$60M), this metric is a secondary signal. 10+ enterprise logos. International customers or clear GTM plan. Partnerships with major platforms.

04. Project Pipeline Value

$10M+ pipeline at Seed | $100M+ at Series A

Hardware and project-based cleantech monetizes via pipeline

Series B context: At Series B stage ($20M–$60M), this metric is a secondary signal. 10+ enterprise logos. International customers or clear GTM plan. Partnerships with major platforms.

05. Customer Payback Period

<7 years for commercial energy projects | <3 for SaaS cleantech

Long payback periods require financing product innovation

Series B context: At Series B stage ($20M–$60M), this metric is a secondary signal. 10+ enterprise logos. International customers or clear GTM plan. Partnerships with major platforms.

How DDR Benchmarks These Metrics

When you upload a CleanTech startup pitch deck, DDR automatically:

  1. Extracts all CleanTech metrics from every slide of the pitch deck
  2. Benchmarks each metric against 3 comparable CleanTech companies
  3. Flags metrics outside healthy ranges as red flags with severity weighting
  4. Provides an overall verdict (INVEST / DIG DEEPER / PASS) with score 1–10
  5. Generates expected return scenarios based on CleanTech exit data

CleanTech Due Diligence — All Guides

AUTOMATE YOUR CLEANTECH DUE DILIGENCE

Screen Any CleanTech Startup in 5 Minutes

Upload a pitch deck PDF and DDR automatically runs this full due diligence framework — 13 OSINT sources, founder verification, all sector-specific red flags, comparable company analysis, and INVEST/PASS verdict.

GET YOUR FREE SCAN →
View sample report  ·  Pricing from $59

Due Diligence Guides by Sector

SaaSFintechAI & MLEdTechHealthTechMarketplaceE-CommerceCybersecurity