Organisation · 2026 filings
NorthWestern Energy — FAA obstruction filings
NorthWestern Energy filed 66 FAA notices of proposed construction in 2026. Every one is a public record; this page collects them in one place.
Filings in 2026
66
Tallest proposed
47 ft
above ground level
Most recent filing
June 2, 2026
What is being filed
- Power line66
Where
- MT66
Most recent 50 filings
Newest first, of 66 total.
JC12026-ANM-3876-OE · Power line · 4 ft AGL · Livingston, MTJune 2, 2026JC22026-ANM-3877-OE · Power line · 4 ft AGL · Livingston, MTJune 2, 2026JC32026-ANM-3878-OE · Power line · 4 ft AGL · Livingston, MTJune 2, 2026JC42026-ANM-3879-OE · Power line · 4 ft AGL · Livingston, MTJune 2, 2026JC52026-ANM-3880-OE · Power line · 4 ft AGL · Livingston, MTJune 2, 2026TX22026-ANM-3881-OE · Power line · 4 ft AGL · Livingston, MTJune 2, 2026TX12026-ANM-3882-OE · Power line · 4 ft AGL · Livingston, MTJune 2, 2026462026-ANM-3883-OE · Power line · 38 ft AGL · Livingston, MTJune 2, 2026452026-ANM-3884-OE · Power line · 38 ft AGL · Livingston, MTJune 2, 2026442026-ANM-3885-OE · Power line · 38 ft AGL · Livingston, MTJune 2, 2026432026-ANM-3886-OE · Power line · 38 ft AGL · Livingston, MTJune 2, 2026422026-ANM-3887-OE · Power line · 38 ft AGL · Livingston, MTJune 2, 2026412026-ANM-3888-OE · Power line · 38 ft AGL · Livingston, MTJune 2, 2026402026-ANM-3889-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026392026-ANM-3890-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026382026-ANM-3891-OE · Power line · 38 ft AGL · Livingston, MTJune 2, 2026NP22026-ANM-3892-OE · Power line · 38 ft AGL · Livingston, MTJune 2, 2026NP12026-ANM-3893-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026352026-ANM-3894-OE · Power line · 38 ft AGL · Livingston, MTJune 2, 2026342026-ANM-3895-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026332026-ANM-3896-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026322026-ANM-3897-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026312026-ANM-3898-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026302026-ANM-3899-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026292026-ANM-3900-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026272026-ANM-3901-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026262026-ANM-3902-OE · Power line · 38 ft AGL · Livingston, MTJune 2, 2026252026-ANM-3903-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026242026-ANM-3904-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026232026-ANM-3905-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026222026-ANM-3906-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026212026-ANM-3907-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026202026-ANM-3908-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026192026-ANM-3909-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026182026-ANM-3910-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026172026-ANM-3911-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 20261512026-ANM-3912-OE · Power line · 38 ft AGL · Livingston, MTJune 2, 2026152026-ANM-3913-OE · Power line · 47 ft AGL · Livingston, MTJune 2, 2026142026-ANM-3914-OE · Power line · 47 ft AGL · Livingston, MTJune 2, 2026132026-ANM-3915-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026112026-ANM-3916-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 2026102026-ANM-3917-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 202692026-ANM-3918-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 202682026-ANM-3919-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 202672026-ANM-3920-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 202662026-ANM-3921-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 202652026-ANM-3922-OE · Power line · 33 ft AGL · Livingston, MTJune 2, 202642026-ANM-3923-OE · Power line · 38 ft AGL · Livingston, MTJune 2, 2026P632026-ANM-1897-OE · Power line · 35 ft AGL · Plains, MTMarch 30, 2026P63 Guy Pole2026-ANM-1898-OE · Power line · 35 ft AGL · Plains, MTMarch 30, 2026
Source: FAA Obstruction Evaluation / Airport Airspace Analysis (OE/AAA) public archive (oeaaa.faa.gov), data as of September 12, 2026. Compiled by LOS Analyzer (Idea Engine LLC). This is not an official FAA record or an FAA determination; the FAA's portal is authoritative. LOS Analyzer is not affiliated with or endorsed by the FAA.
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