NorthWestern Energy Public Service Corporation

2549005BWNTMASH6XX81Copied!

ACTIVE ISSUED 🇺🇸 United States

NorthWestern Energy Public Service Corporation is an active legal entity registered in United States (US-SD). LEI code: 2549005BWNTMASH6XX81. The LEI was first issued on Aug 3, 2023 and is managed by LOU 5493001KJTIIGC8Y1R12. Next renewal is due Aug 3, 2026.

ⓘ Entity Details

LEI Code 2549005BWNTMASH6XX81 Legal Name NorthWestern Energy Public Service Corporation Status ACTIVE Jurisdiction 🇺🇸 United States (US-SD) Category General Entities Legal Form Business Corporation Registration # DB251847

⛩ Registration & Compliance

Reg. Status ISSUED Initial Reg. Aug 3, 2023 Last Updated Jul 16, 2025 Next Renewal Aug 3, 2026 Corroboration FULLY_CORROBORATED Managing LOU Bloomberg Finance L.P. Reg. Authority RA000635

⚑ Addresses

Legal / Registered Address
C/O C T CORPORATION SYSTEM
319 S COTEAU ST
PIERRE
US-SD
57501-3187
US
Headquarters Address
3010 W. 69th Street
Sioux Falls
US-SD
57108
US

A Other Names & Aliases

1 alternative name registered for this entity

NorthWestern Energy TRADING_OR_OPERATING_NAME · en

📅 Registration Timeline

First Issued
Aug 3, 2023 — LEI initially registered
Last Updated
Jul 16, 2025 — Record data last refreshed
Next Renewal
Aug 3, 2026 — Upcoming renewal deadline

★ Data Quality

80%
8 of 10 data fields populated
● Legal Name
● Legal Address
● HQ Address
● Jurisdiction
● Registration #
● Legal Form
○ BIC / SWIFT
○ Ownership Data
● Other Names
● Corroboration

🔎 LEI Code Anatomy

Every LEI is a 20-character alphanumeric code structured in three parts per ISO 17442

2549
005BWNTMASH6XX
81
LOU Prefix
Characters 1–4 identify the Local Operating Unit that issued this LEI
Entity Identifier
Characters 5–18 are unique to this specific legal entity
Check Digits ✓
Characters 19–20 are verification digits (MOD 97-10). This LEI passes checksum validation.

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? Frequently Asked Questions

What is the LEI number for NorthWestern Energy Public Service Corporation? +

The Legal Entity Identifier (LEI) for NorthWestern Energy Public Service Corporation is 2549005BWNTMASH6XX81. This 20-character code uniquely identifies NorthWestern Energy Public Service Corporation in global financial transactions as per ISO 17442.

Is NorthWestern Energy Public Service Corporation's LEI active? +

Yes, NorthWestern Energy Public Service Corporation's LEI is currently active (registration status: ISSUED). The record was last updated on Jul 16, 2025 and is due for renewal on Aug 3, 2026.

Where is NorthWestern Energy Public Service Corporation registered? +

NorthWestern Energy Public Service Corporation is registered in United States (jurisdiction: US-SD). The entity is registered under business register number DB251847.

What is a Legal Entity Identifier (LEI)? +

An LEI is a 20-character alphanumeric code based on the ISO 17442 standard. It connects to key reference information that enables clear and unique identification of legal entities participating in financial transactions. LEIs are issued by Local Operating Units (LOUs) accredited by the Global Legal Entity Identifier Foundation (GLEIF).

About This LEI Record

This page shows the Legal Entity Identifier (LEI) record for NorthWestern Energy Public Service Corporation, registered in United States. The LEI code 2549005BWNTMASH6XX81 is a globally unique 20-character identifier assigned under the ISO 17442 standard to legal entities participating in financial transactions.

The reference data displayed above is sourced from the Global Legal Entity Identifier Foundation (GLEIF) and is updated hourly. This includes Level 1 data (entity identification and addresses) and Level 2 data (ownership relationships), where available.

If the registration status shows "Lapsed," it means the entity has not completed its annual renewal — the LEI still uniquely identifies this entity, but the reference data may not reflect the most recent information. For the most authoritative data, you can cross-reference this record on the official GLEIF website.