Munich Re backs Fourth Power
Fourth Power <i class="fa fa-info-circle company-popover" data-content=" Fourth Power Founded: 2021 Headquarters: Cambridge, Massachusetts, United States Total Funding: $39M See full company profile “> raised $20 million in a Series A+ round led by Munich Re Ventures <i class="fa fa-info-circle company-popover" data-content=" Munich Re Ventures Founded: 2014 Headquarters: Princeton, New Jersey, United States See full…
Fourth Power <i class="fa fa-info-circle company-popover" data-content="
Fourth Power
| Founded: | 2021 |
|---|---|
| Headquarters: | Cambridge, Massachusetts, United States |
| Total Funding: | $39M |
| See full company profile |
“>
raised $20 million in a Series A+ round led by
Munich Re Ventures <i class="fa fa-info-circle company-popover" data-content="
Munich Re Ventures
| Founded: | 2014 |
|---|---|
| Headquarters: | Princeton, New Jersey, United States |
| See full company profile |
“>
, with participation from DCVC and Breakthrough Energy Ventures, bringing its total funding to nearly $40 million.
The Boston-based company’s system converts electricity into heat using liquid metal at 2400°C, stores it in carbon blocks, and converts it back to electricity via thermophotovoltaics. Built from domestic materials, the modular system is designed to scale from 5 to over 100 hours of storage at a cost below $25/kWh, offering utilities a lower-cost alternative to lithium-ion batteries.
The new funding will support the commissioning of a 1 MWh demonstration project using full-scale commercial components — the final step before customer deployments — and deepen supplier and utility partnerships ahead of expected commercial launches by 2027.
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