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Bloom Energy trades at $63 billion on $2 billion in revenue. The market figured out that on-site power cells can get a data center online in 90 days while the grid takes 4-7 years. It was a Simple thesis that led to an enormous re-rating. But a data center doesn't just need watts. It needs cooling. Cooling is 30-40% of total facility power consumption. Increasingly, date centers try and convert waste heat from power generation into cooling via absorption chillers, to reduce costs. This is where the comparison gets interesting. Take a 10MW compute data center. Cooling needs roughly 6.67MW assuming compute is 60% of power and cooling is 40 of that 60. With Capstone: 30.3MW of gas input(33% electrical efficiency). Their C1000S recovers 50% of fuel input as thermal energy, giving 15.2MW thermal. At a COP of 0.7, that's 10.64MW of displaced cooling, or 160% of the cooling load. Zero additional grid draw needed for cooling. With Bloom: 15.4MW of gas input(65% electrical efficiency). At 36% thermal efficiency, that's 5.5MW thermal. At COP 0.7, that's 3.85MW of displaced cooling. 57.7% of the cooling load. 2.82MW still needs to come from the grid per 10MW of compute. Grid

140 pts · 70 comments · u/Competitive_Contact5 · 2026-04-27 00:12 UTC