Glossary - p
For your convenience, this page contains an alphabetically organized list of terms, definitions and common acronyms used in the electric utility industry.
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Term/Acronym |
Definition |
| PCRR | Pre-Assigned Congestion Revenue Right |
| PNM | Peaker Net Margin |
| POC | Peaking Operating Cost |
| POI | Point of Interconnection |
| POLR | Provider of Last Resort |
| POS | Power Operating System |
| PRC | Physical Responsive Capability |
| PRR | Protocol Revision Request |
| PRS | Protocol Revision Subcommittee |
| PSS | Power System Stabilizer |
| PTB | Price-to-Beat |
| PTP | Point-to-Point |
| PUCT | Public Utility Commission of Texas |
| PURA | Public Utility Regulatory Act, Title II, Texas Utility Code |
| PURPA | Public Utility Regulatory Policy Act |
| PV | PhotoVoltaic |
| PWG | Profiling Working Group |
| Partial Blackout | See Blackout |
| Participating Congestion Revenue Right (CRR) | see Congestion Revenue Right (CRR) Account Holder |
| PhotoVoltaic (PV) | Of or pertaining to a material or device in which electricity is generated as a result of exposure to light. |
| Physical Responsive Capability (PRC) | A representation of the total amount of system wide On-Line capability that has a high probability of being able to quickly respond to system disturbances. |
| Planned Outage | See Outage |
| Point of Interconnection (POI) | The voltage level and substation where a Generation Entity’s interconnection Facilities connect to the Transmission Facilities as reflected in the Standard Generation Interconnection Agreement (SGIA) between a Generation Entity and a Transmission Service Provider (TSP) or the voltage level and substation where Load interconnects to the TSP Facilities. |
| Point-to-Point (PTP) | Point-to-Point (PTP) Obligation with Links to an Option (see Congestion Revenue Right (CRR)) |
| Point-to-Point (PTP) Obligation | See Congestion Revenue Right (CRR) |
| Point-to-Point (PTP) Option | See Congestion Revenue Right (CRR) |
| Point-to-Point (PTP) Option Award Fee | A fee placed on each PTP Option bid awarded where the clearing price for the PTP Option bid awarded is less than the Minimum PTP Option Bid Price as further described in Section 7.7.1, Charging of PTP Option Award Fee. |
| Power System Stabilizer (PSS) | A device that is installed on Generation Resources to maintain synchronous operation of the ERCOT System under transient conditions. |
| Premise | A Service Delivery Point or combination of Service Delivery Points that is assigned a single ESI ID for Settlement and registration. |
| Price-to-Beat | The bundled rate a Retail Electric Provider that is affiliated with an Entity required to unbundle its electric services, and offer Customer Choice, must charge to residential and small commercial Customers upon initiation of Customer Choice, as further described in Section 39.202 of PURA and PUCT rules. |
| Primary Frequency Response | The instantaneous proportional increase or decrease in real power output provided by a Resource and the natural real power dampening response provided by Load in response to system frequency deviations. This response is in the direction that stabilizes frequency. |
| Prior Agreement | Any previous agreement between an Entity, its Affiliate(s) or its predecessor(s) in interest and ERCOT regarding performance under the ERCOT Protocols. |
| Private Use Network | An electric network connected to the ERCOT Transmission Grid that contains load that is not directly metered by ERCOT (i.e., load that is typically netted with internal generation). |
| Program Administrator | The Entity approved by the PUCT that is responsible for carrying out the administrative responsibilities for the Renewable Energy Credit Program as set forth in P.U.C. SUBST. R. 25.173. |
| Protected Information | That information protected from disclosure as described in Section 1, Overview. |
| Provider of Last Resort (POLR) | The designated CR as defined in the P.U.C. SUBST. R. 25.43, Provider of Last Resort (POLR), for default Customer service, and as further described in Section 15.1, Customer Switch of Competitive Retailer. |