Energy Acronyms

Click here for a list of commonly used Energy Acronyms: Energy Acronyms

Common Energy Acronyms


PSC – New York State Public Service Commission
DPS – New York State Department of Public Service
DEC – New York State Department of Environmental Conservation
FERC – Federal Energy Regulatory Commission


NYISO – New York State Independent System Operator, Inc.
NYSRC – New York State Reliability Council, L.L.C.
NYSERDA – New York State Energy Research and Development Authority

Regulated Utilities

Central Hudson – Central Hudson Gas & Electric Corporation
Con Ed/Con – Edison Consolidated Edison Company of New York, Inc.
CNG – Corning National Gas Corporation
KEDLI – KeySpan Energy Delivery Long Island
KEDNY – KeySpan Energy Delivery New York
NFG – National Fuel Gas Distribution Corporation
NYSEG – New York State Electric & Gas Corporation
Niagara Mohawk – Niagara Mohawk Power Corporation d/b/a National Grid
O&R – Orange & Rockland Utilities, Inc.
RG&E – Rochester Gas and Electric Corporation

Public Authorities

LIPA – Long Island Power Authority
NYPA – New York Power Authority


MI – Multiple Intervenors
Staff – New York State Department of Public Service Staff

NYISO Committees and Working Groups

MC – Management Committee
BIC – Business Issues Committee
OC – Operating Committee
ESPWG – Electric System Planning Working Group
ICAP WG – Installed Capacity Working Group
MIWG – Market Issues Working Group
PRLWG – Price Responsive Load Working Group

NYISO Demand Response Programs

DADRP – Day Ahead Demand Response Program
EDRP – Emergency Demand Response Program
SCR – Special Case Resources

Types of NYPA Allocations

EDP – Economic Development Power
EP – Expansion Power
PFJ – Power-for-Jobs
RP – Replacement Power
RNY – Recharge New York Power

General Energy Terms

ALJ – Administrative Law Judge
BOE – brief on exceptions
CTC – Competitive Transition Charge (Niagara Mohawk’s stranded costs)
DG – distributed generation
ESCO – energy services company (marketer)
EEPS – Energy Efficiency Portfolio Standard
ICAP – installed capacity
IRM – installed reserve margin
kW – kilowatt (measure of demand)
kWh – kilowatt-hour (measure of energy)
LBMP – location-based marginal pricing (NYISO’s energy pricing model)
MW – megawatt (1,000 kW)
MWh – megawatt-hour (1,000 kWh)
NBC – non-bypassable charge
NYCRR – New York Code of Rules and Regulations (PSC’s regs. in Part 16)
OATT – Open Access Transmission Tariff
O&M – operation and maintenance
OSG – on-site generation
PSL – New York Public Service Law
RD – Recommended Decision (issued by ALJ)
RDM – revenue decoupling mechanism
ROE – return on equity (measure of utility’s profit)
ROS – Rest-of-State region (NYISO – for ICAP purposes)
RNY – Recharge New York
RPS – Renewable Portfolio Standard
RTP – real-time pricing
SAPA – State Administrative Procedures Act
SBC – System Benefits Charge
S.C. – Service Classification No.
SIR – site investigation and remediation
T&D – transmission and distribution