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Guides & Specifications for Distributed Generation

View resources and requirements for installing a distributed generation connection.

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Overview

Explore all the technical documents and specifications you need to design, permit, and interconnect a distributed generation (DG) system on the Con Edison grid.

General Guides

Use the links below to understand the ins and outs of various DG sources. If you’re not sure which guide applies. start with the Solar or Storage guide. Then check the Utility Process Guide to see if your project falls outside standard rules

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Document

What It Covers

Max System Size

Document

Solar PV Guide

What It Covers

Installing or upgrading solar arrays

Max System Size

≤ 5 MW

Document

Energy Storage Guide

What It Covers

How to install or upgrade an energy-storage system

Max System Size

≤ 5 MW

Document

Energy Storage Best Practices

What It Covers

NY State SIR tips for ESS customers

Max System Size

 ≤ 5 MW

Document

Utility Process Guide

What It Covers

Steps for DG projects outside the NY SIR path

Max System Size

N/A

Document

Fuel Cell Guide

What It Covers

Interconnecting fuel-cell projects

Max System Size

≤ 5 MW

Document

Large CHP Guide

What It Covers

Natural-gas CHP tied to customer load

Max System Size

≤ 5 MW

Document

Electric Blue Book

What It Covers

Customer guide to electrical-service installation

Max System Size

N/A

Document

Gas Yellow Book

What It Covers

Customer guide to natural-gas service installation

Max System Size

N/A

Document

Large Combined Heat and Power Guide

What It Covers

For installing or upgrading natural gas-supplied systems

Max System Size

≤ 5 MW

Value Stack Projects

Browse procedures and forms for systems compensated under New York’s Value Stack (VDER). Use the Solar Value Stack Calculator to estimate your project’s potential earnings.

Community DG: Net Crediting Program

Once you read the Net Crediting Manual, complete the forms below and submit the host payment authorization to be compensated.


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Statewide Solar for All

The Con Edison Statewide Solar for All program helps low-income customers access bill credits generated by community solar and battery projects. The program removes customer acquisition and management from the DER project owner’s responsibilities.


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Generators and Microgrids

Resources for standalone generators, load transfer specs, and microgrid technical standards.

Documents

Emergency Generator Load Transfer Diagram: Visual reference showing switch types and system flow.

Customer Operation & Maintenance Requirements (EO-4035): Requirements for operating your generator or backup system safely and effectively.

Generator Operation and Maintenance (EO-4133): Requirements for the operation and maintenance of local generation equipment at your site.

Smart Inverter FAQ Document: Answers to commonly asked questions related to smart inverters and upcoming requirements for UL 1741 Supplement B in New York.

Specs for Transfer Switch Types

Break-Before-Make Specifications (EO-2113): Disconnects from utility before switching to generator. Simple and cost-effective, but causes a brief outage.

Make-Before-Break Specifications (EO-2134): Allows seamless switching between grid and generator with no power interruption.

Specs for High-Tension & Non-Network Systems

High-Tension Design Requirements (EO-2022): Applies to substations connected to network or non-network systems.

Non-Network Distribution Interconnection (EO-10215): Covers Auto Loop, 4 kV Grid, Step Down Feeder systems and more.

Electrical Service to Dispersed Generation Customers (EO-2115): Requirements for small and independent power producers.

Specs for Microgrid System Requirements

Microgrid Technical Requirements (EO-2161): Technical standards for interconnecting microgrid systems to Con Edison’s distribution grid. Ideal for campuses, multi-building developments, or industrial parks.

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