NET Power Inc. 8-K

What Happened

• NET Power Inc. filed an 8-K (Regulation FD disclosure) on Jan 5, 2026 reporting that on December 29, 2025 the company notified the Midcontinent Independent System Operator, Inc. (MISO) that it would withdraw its interconnection request after MISO provided updated information showing significantly higher anticipated network upgrade costs for the proposed interconnection.
• The company continues to hold its site lease in northern MISO and is evaluating alternative ways to develop clean firm power generation at that site.

Key Details

• Withdrawal notice to MISO dated December 29, 2025.
• Reason: MISO indicated significantly higher anticipated network upgrade costs associated with the proposed interconnection.
• NET Power has not capitalized any significant costs related to the MISO interconnection request to date.
• The company stated it does not expect the withdrawal to have a material adverse impact on its financial condition or results of operations.

Why It Matters

• For investors, this update signals a change in how NET Power plans to proceed with the northern MISO site: the company is pausing the current interconnection effort and exploring alternatives while retaining the lease.
• Management’s statement that no significant costs were capitalized and that the withdrawal is not expected to be materially adverse reassures investors about near-term financial impact, but future disclosures may be important if NET Power pursues new interconnection options or incurs material upgrade costs.