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Understand My Meter
Learn How To Read Your Electric, Natural Gas, or Solar Meter
Electric Meter
Energy use is measured in kilowatt hours (kWh). A kilowatt hour is equal to using 1,000 watts of electricity in one hour (or burning a 100-watt bulb for 10 hours). Most meters are read via FCC regulated secure radio frequency.
How to Read Your Meter
- What does the arrow on the display mean?
*Widgets flash at rate proportional to power measured
- If pointed right, Dominion Energy is delivering power to you.
- If pointed left, Dominion Energy is receiving excess power from you. (Only applicable to solar accounts)
- What do these numbers represent?
- This is the Register Number.
- What do the flashing numbers represent?
- You can use the charts below, to identify what each register represents.
- Where can I find the meter number
- The meter number is listed on the front of the meter and on your bill under “Current Charges.”
Gen5 Smart Meter
| Register 00 | Meter Program ID |
| Register 01 | Total kWh Delivered from DESC |
| Register 88 | Segment Check (All eights) |
To find the number of kilowatt hours used, record meter reading in REGISTER 01. Wait a period of time and record meter reading in REGISTER 01 again. Subtract the earlier reading from the most recent reading to determine the kilowatt hours consumed during that period.
Natural Gas Meter
Your meter measures natural gas used in cubic feet. One cubit foot contains approximately 1,000 BTUs of heat – the equivalent of burning 1,000 kitchen matches.
Meters have four or five dials; some with clockwise numbering, others are counter-clockwise. Record the smaller number if the pointer is between two numbers, except between nine and zero.
If the pointer is on a number, look at the dial to the right. If that pointer has not passed zero, record the smaller number.
To find out cubic feet used, take two readings, then subtract the earlier from the more recent.
Solar Meter
Two meters are used for the typical solar installation:
- The Main Meter (bi-directional readings)
- The Generation Meter (one-way reading)
How to Read Your Main Meter
The main meter measures the power Dominion Energy South Carolina delivers to you, as well as any excess solar power you send back to us.
- What does the arrow on the display mean?
*Widgets flash at rate proportional to power measured
- If pointed right, Dominion Energy is delivering power to you.
- If pointed left, Dominion Energy is receiving excess power from you.
- What do these numbers represent?
- This is the Register Number.
- What do the flashing numbers represent?
- You can use the charts below to identify what each register represents.
- Where can I find them main meter number
- The main meter number is listed on the front of the meter and on your bill under “Current Charges.”
Meter Display Sequence
Gen5 Smart Meter
| Register 00 | Meter Program ID |
| Register 01 | Total kWh Delivered from DESC |
| Register 02 | Total kWh Received (excess solar energy received by grid) |
| Register 88 | Segment Check (All eights) |
Delivered kWh
To find the number of kilowatt hours used, record meter reading in REGISTER 01. Wait a period of time and record meter reading in REGISTER 01 again.
Excess kWh
Subtract the earlier reading from the most recent reading to determine the kilowatt hours consumed during that period.
How to Read Your Generation Meter
This measures the total generation produced by your solar system.
- What do these numbers represent?
- This is the Register Number.
- What do the flashing numbers represent?
- You can use the charts below to identify what each register measures based on your meter type, solar program, and Program ID.
- Where can I find the generation meter number?
- The generation meter number is listed on the front of the meter and on your bill under “Customer Generation.”
Meter Display Sequence
Gen5 Smart Meter
| Register 00 | Meter Program ID |
| Register 01 | Not Used |
| Register 02 | Total kWh Received |
| Register 88 | Segment Check (All eights) |
To find the number of kilowatt hours generated by solar system, record meter reading in REGISTER 02. Wait a period of time and record meter reading in REGISTER 02 again.
Subtract the earlier reading from the most recent reading to determine the kilowatt hours generated during that period.
Subtract the earlier reading from the most recent reading to determine the kilowatt hours generated during that period.