The installation of photovoltaic (PV) equipment is governed by a number of industry codes and standards. Electrical contractors need to be aware of the codes and standards to ensure a safe and functional PV installation.
Photovoltaics (PV) are semiconductors that convert sunlight directly to direct-current (DC) electric power. Photovoltaic technology has been used for years in specific applications where conventional utility service is not readily available or practical.
The electrical contractor's job on a typical construction project goes beyond the scope of traditional electrical installations. It's a two-part responsibility that includes the construction or renovation of electrical systems for the structure.
Distributed generation (DG) refers to the practice of locating small-scale electric generating units at or near the load served. With distributed generation, individual buildings or complexes can have a local electric power supply that provides some or all of the facility's electric energy needs.
You could not find two adjacent states taking more opposite approaches to electric markets than Maryland and Virginia. But they still have one thing in common that could be good for electrical contractors. Governors of both states have issued orders for conservation upgrades worth millions.
Earlier this year, routine activities came to an abrupt halt at San Bernardino Valley (Calif.) College when a construction crew excavating with a backhoe struck a power cable, causing a small explosion that knocked out a campus transformer.
Concerns about the efficiency and reliability of electricity are prompting new responses by federal and state government agencies, utilities, associations and product manufacturers. They could provide new business for electrical contractors if you can position your company for these opportunities.
New utility business regulations could affect you Is electric transmission a natural monopoly or not? Does the Federal Energy Regulatory Commission (FERC) have authority over states and utilities to order restructuring and regulation of transmission systems?
Submeters are installed after the main utility meter to gain additional information regarding energy usage inside a facility, according to Don Millstein, president of Langhorne, Pa.-based E-Mon Corp. Estimates for the submetering market are primarily based on existing facilities, although U.S.
A retail clothing store advertises, “An educated consumer is our best customer.” Prices are adjusted weekly, and if you know the value of designer merchandise on the racks, you can get some very good bargains.
The federal government has been driving the process to develop an interconnected standard to establish the criteria and requirements of distributed generation (also called distributed resources or dispersed generation) to be connected into the utility-owned electric power grid.
As more customers embrace renewable energy, up to 75% of U.S. utilities are set to offer a mass-market green power program by the end of 2003. Several utilities are achieving a response rate much higher than the usual 1%.
Engines, microturbines and fuel cells generate electric power for individual customers and often utilize waste heat to provide some of the customer's heating, water heating and, in some cases, air conditioning needs.
A renewed kind of electricaL contractor has been created—the successful entrepreneur who sold his company into a roll-up and then bought it back. That, and several large utilities that remain important on the contractor scene, is the residue of the 1996-2000 subcontractor roll-up craze.