Capstone Energy Services

Energy Basics

Terms A-Z


The unit charge or charges made to the customers for natural gas.

Rate Adjustment Provisions

A provision in a tariff which provides for changes in rates or total charges because of changes in specified items of cost, such as fuel price, purchased gas, tax, etc.

Rate Base

The value of property upon which a utility is permitted to earn a specified rate of return as established by a regulatory authority.

Rate Case

A proceeding before a regulatory commission involving the rates to be charged for a public utility service.

Receipt Point

Point at which transportation (movement) begins pursuant to the transportation contract. Generally, a producer's gas well, the outlet (tailgate) of a gas processing plant, or the delivery point (end) of a previous transportation contract.

Renewable Resources

Natural resources used in the generation of electricity that are without limit or can be replenished naturally. Examples are wind, solar, geothermal, and biomass.

Reservation Fee

A charge for a unit of capacity reserved on a pipeline for firm transportation of customer-owned gas pursuant to Part 284 of the Commission's regulations.


In the electric power industry, the process of replacing the existing monopoly system of electric utilities to introduce competing sellers of electric power. This excludes the transmission and distribution of that power, which remain regulated. Restructuring allows retail customers in defined rate classes to choose their electricity supplier, but still receive delivery of that power over the power lines of the local utility.


Sales including natural gas and electricity supplied to customers who actually consume the energy.

Retail Competition

A market environment in which multiple sellers of electric power can sell directly to end-use consumers.

Energy Facts

Energy Facts

Natural gas can be used as a raw material in a variety of products, including paint, fertilizer, plastics and medicines.

Natural gas produces fewer emissions than other fossil fuels, with less nitrogen, sulfur, carbon and fine particulates.

Texas produces the largest amount of natural gas in the USA.

The biggest consumer of coal in the US is the electric power sector.

There are 17,658 electric utility generators in the USA.

Energy Delivery Chains

Energy Delivery Chains

Find out more about how your energy is produced and delivered to your business.

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Energy & the Environment

Energy & the Environment

How we assist clients in responding to national environmental concerns.

  • Initiate and manage a "Green" energy procurement program
  • Evaluate national legislative and regulatory initiatives
  • Research state and local energy efficiency programs and incentives
  • Track energy use and related emissions estimate