Hidden Market Data Stifled Carbon Supply

The missing market data is a core reason carbon supply stayed thin, because developers could not see a clear future selling price before spending real money to build a project. In the legacy registry system, ownership changed hands through broker updates to serial number databases, but price and trading activity stayed largely hidden. That made carbon development feel less like selling into a real commodity market and more like navigating a private club with high certification costs and weak feedback loops.

• For a new supplier, the first problem was not buyer interest, it was economics. Building even a single project could require about $1.5 million upfront plus certification work, and without visible market prices there was little way to underwrite that investment with confidence.
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• That opacity created a role for intermediaries. Brokers and registries held the market data and relationships, while smaller developers needed enterprise buyers like Microsoft to prefinance certification and commit to future purchases, which kept supply concentrated among well connected players.
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• Newer software layers attacked this bottleneck from different angles. Patch standardized project data, portfolio construction, and inventory management for buyers and suppliers, while Persefoni handled carbon accounting and sent customers to offset providers instead of bundling both roles together.
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The market is moving toward software and standardized data pipes, which should make carbon credits look less like bespoke brokered deals and more like products with visible inventory, comparable quality, and clearer pricing. As that happens, more developers can finance projects earlier, and supply can expand beyond the small circle of insiders that shaped the old market.