NIPSCO Manuals & User Guides

NIPSCO Residential Equipment Rebates Application Owner’s Manual

September 13, 2025

Residential Equipment Rebates Application NIPSCO Residential Equipment Rebates Application Equipment must be new, purchased and installed between January 1, 2025 – November 30, 2025. Application and paperwork must be postmarked…

NIPSCO Electric Service Tariff Instructions

August 29, 2025

NIPSCO Electric Service Tariff Specifications Product: NORTHERN INDIANA PUBLIC SERVICE COMPANY IURC Electric Service Tariff Volume: No. 16 Effective Date: 07/01/2025 Definitions When using the NORTHERN INDIANA PUBLIC SERVICE COMPANY…

NIPSCO 2024 Prescriptive Incentive Program Instructions

June 22, 2024

NIPSCO 2024 Prescriptive Incentive Program Instructions Eligibility* Eligible customers include those currently billed under electric rates 520, 521, 522, 523, 524, 525, 526, 531 Tier 1, 532, 533, 541, 543…

NIPSCO 2022 True Up Worksheet User Guide

June 11, 2024

NIPSCO 2022 True Up Worksheet Product Information Specifications Company: Northern Indiana Public Service Company LLC True-Up Year: 2022 Effective Year for TU: 2013 Product Usage Instructions True-Up Worksheet Enter the…

NIPSCO ER 5-500-E Entrance Equipment Instructions

May 3, 2024

NIPSCO ER 5-500-E Entrance Equipment Product Information Specifications: Service Equipment: Consists of a circuit breaker or switch, fuses, and accessories near the entrance point of supply conductors. Service Raceway: Encloses…

NIPSCO ER 3-130-H Cabinet Instrument Transformer Instruction Manual

May 2, 2024

NIPSCO ER 3-130-H Cabinet Instrument Transformer USE For commercial and industrial installations, purchased and installed by customer. To enclose 600 volt insulation class instrument transformers on indoor or outdoor meter…

NIPSCO ER 3-110-G Cabinet Current Transformer Instructions

May 2, 2024

ER 3-110-G Cabinet Current Transformer Product Information Specifications: Product Name: CABINET - CURRENT TRANSFORMER Indoor - Outdoor Voltage: 240 Volts Amperes: 800 Amperes Maximum Model Number: ER 3-110-G Product Usage…

NIPSCO ER 3-150-F Cabinet Instrument Transformer Instruction Manual

May 2, 2024

NIPSCO ER 3-150-F Cabinet Instrument Transformer Instruction Manual USE: For commercial and industrial installations, purchased and installed by customer. To enclose 600 volt insulation class current and potential transformers on…

NIPSCO ER 3-100-G Cabinet Current Transformer Owner’s Manual

May 1, 2024

NIPSCO ER 3-100-G Cabinet Current Transformer USE For commercial and industrial installations, purchased and installed by customers. To enclose 600-volt insulation class current transformers on indoor or outdoor meter installations.…

NIPSCO ER 3-120-H Cabinet Instrument Transformer User Guide

May 1, 2024

NIPSCO ER 3-120-H Cabinet Instrument Transformer USE : For commercial and industrial installations, purchased and installed by customers. To enclose 600-volt insulation class instrument transformers on indoor or outdoor meter…

NIPSCO Underground Service Entrance Installation Standards (ER 19-270-T)

installation guide

Technical specifications and installation requirements for NIPSCO underground electric service entrances, covering 200, 320, and 400 Amp single and three-phase systems.

Know What’s Below: 811 Digging Safety Guide

guide

Essential safety information for homeowners and contractors regarding the 811 'Call Before You Dig' service. Learn about utility marking, legal requirements, and how to prevent damage to underground lines.

NIPSCO Site Readiness Requirements for Construction

installation guide

Guidelines for builders and developers regarding site readiness, conduit installation, and utility placement for NIPSCO gas and electric facilities.

NIPSCO Direct Transfer Trip (DTT) Requirements (ER 4-350-A)

technical specification

Technical requirements for Direct Transfer Trip (DTT) protection schemes for customer generation connected to the NIPSCO electric grid, covering 12.5 kV, 34 kV, and 69 kV systems.

NIPSCO 2026 Small Business Direct Install (SBDI) Incentive Program Guide

Program Guide

NIPSCO's 2026 Small Business Direct Install (SBDI) Program offers incentives for small businesses to reduce energy waste and earn cash for energy efficiency projects, covering lighting, HVAC, refrigeration, kitchen, and…

NIPSCO ER 19-245-C: Overhead Service Entrance Installation Standard

Technical Specification

Technical standard ER 19-245-C from NIPSCO detailing requirements for self-supported overhead service entrance installations (100, 200, 320/400 Ampere). Covers specifications, references, and installation guidelines, including a description of the installation…

R.M. Schahfer Generating Station Emergency Action Plan for CCR Rule Compliance

Emergency Action Plan

This Emergency Action Plan (EAP) outlines procedures for Northern Indiana Public Service Company LLC (NIPSCO) at the R.M. Schahfer Generating Station to manage unusual or emergency events related to Coal…

NIPSCO Site Readiness Policy for Construction Commencement

Policy

Detailed site readiness requirements from NIPSCO for customers and contractors before gas and electric facility installation, ensuring compliance with Indiana and federal regulations.

NIPSCO CCR Groundwater Monitoring Program Implementation Manual

Groundwater Monitoring Program Implementation Manual

This manual details the procedures for implementing the Coal Combustion Residuals (CCR) groundwater monitoring program at the Northern Indiana Public Service Company (NIPSCO) Rollin M. Schahfer Generating Station, ensuring compliance…

NIPSCO Rate 632: Industrial Power Service – Small | Electric Tariff Details

Technical Specification

Detailed information on Northern Indiana Public Service Company's (NIPSCO) Rate 632 for Industrial Power Service – Small, covering transmission and subtransmission service, back-up, maintenance, and temporary service terms, charges, and…

2023 NIPSCO Demand-Side Management (DSM) Portfolio Evaluation Report

Technical Report

This report details the 2023 evaluation of NIPSCO's Demand-Side Management (DSM) portfolio, assessing program performance, energy savings, demand reduction, and cost-effectiveness for residential and commercial/industrial sectors. It includes findings and…