electrical power meter Articles

  • U.S. Nuclear Power in Decline

    Nuclear power generation in the United States is falling. After increasing rapidly since the 1970s, electricity generation at U.S. nuclear plants began to grow more slowly in the early 2000s. It then plateaued between 2007 and 2010—before falling more than 4 percent over the last two years. Projections for 2013 show a further 1 percent drop. With reactors retiring early and proposed ...


    By Earth Policy Institute

  • The Emerging Power of Microgrids

    Over many decades, the centralized power grid — a one-way flow of electricity, generated by large, remote power plants and distributed over miles of transmission lines to homes and businesses — succeeded in delivering electricity across continents to billions. But in recent years the system’s shortcomings have become increasingly ...


    By GLOBE SERIES

  • Powering Renewable Programs: The Utility Perspective

    When considering how to build out a renewable energy portfolio, there are a lot of factors and many points of view to consider. For purposes of this narrative, we will take the point of view of the electric utility itself. Your electricity providers are quite familiar with the concept of a “smart grid.” According to the Department of Energy (DOE), a smart grid “generally refers ...


    By Smart Grid Observer

  • Community Wind Power for Renewable Income

    CONSIDERING its incredible history and environmental benefits, wind power is one of the most underutilized sources of renewable energy. Stretching back as early as 200 BC, communities have been harvesting the wind for power. However, the scale and popularity of wind power is only now starting to reach critical mass as concerns of climate change rise and energy usage continues to soar. While ...


    By BioCycle Magazine

  • How much wind is needed to power a home turbine?

    First do you have what it takes? Whether you are considering a small rooftop unit or a large residential turbine you need to know how much wind power is in your area. Wind resource maps, published by the US Department of Energy show airflow speeds at 50 meters (150 feet) above the ground and are a great resource in deciding if you are in a viable location. That's great if you are installing a ...


    By Bosworth Instrument

  • 2 MWe Biomass Power Plant Case Study

    This 2 MWe Biomass Power Plant is one of the turnkey products of Biomass Power. The plant was fully commissioned in September 2007. The plant has a capacity of 11 MW thermal and rated at 2MWe producing 15,700 MWh of green electricity per year, 100% of which is exported to the grid. The fuels used are from forestry and agricultural residues, wet woodchips, compost oversize, straw and miscanthus, ...


    By Biomass Power Limited (BPL)

  • 5kw Solar Power Plant - Case Study

    (1)The Project Proposed Overseas Division Construction Engineering Group is mainly responsible for overseas market development function.In foreign countries, especially developing countries, Many engineering projects are away from downtown or some new area, project management and life electricity sometimes rely on diesel generators provided.Diesel generators is reliable, but there ...


    By Inverter Go

  • Soil CO2 Flux Measurements -- Powering the LI-8100/8150 in a Remote Location: Power Requirements and Solar Panel Solution

    INTRODUCTION Long-term automated simultaneous measurements at multiple locations within the same study site are often required to adequately characterize high spatial and temporal variability of the soil CO2 fluxes. The multiplexed LI-8100/8150 is a fully automated system ...


    By LI-COR

  • The Effectiveness of Combined heat and Power Solar Water Heating Systems

    Abstract: Solar water heating in residential and commercial buildings is often provided by integrating a large number of domestic thermosyphon solar water heaters. The economic effectiveness of solar Domestic hot water heating systems depends mainly on its types and configurations. Thereupon in this paper, simulation models have been presented for the modeling of thermal and electrical ...


  • Case study - Green Machine uses biomass to put power back on the grid

    St. Helena Island, South Carolina Gross Power Output: up to 43kWe Thermal Heat Input: 200 - 500kWt Hot Water Input Range: 160 - 235°F Hot Water Flow: 150 GPM     Cold Water Input: 68°F Cold Water Flow: 150 GPM In fall 2010, American Capital Resources Company installed ElectraTherm’s heat-to-power Green Machine, for generating power from ...


    By ElectraTherm

  • Con Edison to pilot $15M virtual power plant project

    New York utility Consolidated Edison (Con Edison) plans to launch a pilot virtual power plant (VPP) project in June to test out the business case for integrating aggregated fleets of residential solar-plus-storage systems into the grid, Jamie Brennan, director of demonstration projects at Con Edison, told Energy Storage Update. The project will link hundreds of solar and battery storage systems ...


    By FC Business Intelligence

  • Case study - ElectraTherm generates power from low temperature geothermal

    Site: Florida Canyon, Nevada, USA Gross Power Output: up to 75kWe Hot Water Input Range: 225-230F Hot Water Flow: 150 GPM Thermal Heat Input: 660kWt Air Cooled Condenser ElectraTherm successfully commissioned its Green Machine at the Florida Canyon Mine in Imlay, Nevada. ElectraTherm marked the occasion at Florida Canyon Mine with a commissioning ceremony including officials ...


    By ElectraTherm

  • How clean energy can power Parking lot lights

    Many cities have now opted to go green with parking lot lighting because it helps in a tight budget while also remaining environmentally sustainable. The use of green energy power through solar has the advantage of saving energy costs and can help in the reduction of carbon emissions. Energy efficiency is very important for any parking lot because there is a need to find long term solutions that ...


    By Greenshine New Energy LLC

  • Smarter grids, appliances, and consumers

    More and more utilities are beginning to realize that building large power plants just to handle peak daily and seasonal demand is a very costly way of managing an electricity system. Existing electricity grids are typically a patchwork of local grids that are simultaneously inefficient, wasteful, and dysfunctional in that they often are unable, for example, to move electricity surpluses to areas ...


    By Earth Policy Institute

  • Energy Management Contract

    1. Introduction Energy management contract (EMC) is a new market-oriented energy saving mechanism. It is not to market a product or a technology, but a financial management method to reduce the energy costs. EMC companies provide the customers with a complete set of energy saving services, including energy auditing, project design & financing, engineering construction, ...

  • Photovoltaics Energy Technologies

    Technology Overview    Photovoltaic (or PV) cells are devices that use semiconductor materials—similar to those used in computer chips—to convert sunlight directly into electricity. The electric current can either be used immediately, or it may be stored, as in a battery, for later use. A typical PV or solar cell might be a square that measures about 4 ...

  • Solar Glossary of Terms

    If you are new to the solar world, there are a few phrases you need to master in order to expertly navigate your way to the best solar installation for home. Here is a brief explanation of all the terms you may encounter during your solar journey. Energy Audit This is an audit conducted by a professional that measures electricity usage in the home. The results ...


    By NRG Solar LLC

  • Solar Photovoltaic System in Kaimakli case study

    Location: Kaimakli, Nicosia Size: 2.97 kWp Annual generation: 5062 kWh CO2 savings per year : 4.5 tonnes The Problem Mr Michael wanted urgently to cut his high annual electricity costs for his 4-family house in Nicosia. Taking advantage of the area’s high sunshine hours and the government’s Net metering scheme for solar photovoltaic system installations ...


    By C.A.S. Energy Ltd

  • Varian Semiconductor Equipment Assoc. Inc. – Gloucester, MA - Case Study

    Producing the heavy equipment that makes semiconductors and other chips demands a tremendous amount of electricity, so this publicly-traded company sought ways to cut massive utility bills and pursue renewable power sources. Varian Semiconductor Equipment, a division of Applied Materials Inc., is located in an industrial park in Gloucester, MA. The Cape Ann hilltop location offered prospects for ...

  • How many negawatts do I need before I retire?

    A candy shop owner on Cape Cod offers a new approach to build a retirement portfolio: put solar panels on your roof. “We looked at the stock market last year and it didn’t look too good so we decided to invest in electricity,” said Ray Hebert, owner of Stage Stop Candy in Dennisport, in an article on wickedlocal.com by Nicole Muller. Thanks to today’s generous state and federal subsidies, Hebert ...

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