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In recent years energy storage has emerged as a key ally for the renewables industry, allowing excess production to be stored and sold when market conditions are favorable. And while the addition of batteries to renewable projects was originally a costly exercise, a rapid fall in the price of lithium-ion battery technologies now means solar and wind plants can be equipped with significant levels of energy storage and still remain competitive.
The robust design fully supports the array weight ensuring that all loads flow from the modules down through the racking system and into the ground – without placing secondary stresses into the modules or depending on the modules to brace the system. By protecting the most important component of your solar system, the solar power modules, Solar FlexRack safeguards solar project budgets.
Environmental monitoring is critical to optimizing the efficiency of solar power generation. Beginning with site assessment, on-site meteorological monitoring factors into overall project performance and ROI. Weather stations provide reliable data on parameters such as solar radiation, wind speed and direction, temperature, and precipitation that influence location and efficiency of solar panels.
Design, equipment, fields of application: Many
things have changed with quadrupole mass
spectrometers (QMS) over the last 30 years.
They have become more compact, durable,
versatile and digital. Initially used primarily in
research, QMS are nowadays utilized in the
semiconductor industry, freeze-drying or leak
detection, for example.
Large off-grid and battery backup PV systems, often require greater charging than a single controller can provide. To meet the charging requirements of these large systems, several TriStar™ or TriStar MPPT™ controllers can be connected in parallel to a battery bank. Each controller is connected to its own separate PV array. This document provides answers to frequently asked questions, and tips concerning the operation and setup of these large multiple TriStar and TriStar MPPT controller systems.
With so many different battery technologies on the market today, it can be difficult to make sure you’re selecting the right battery for your application. This document will describe the basic types of lead-acid batteries available, and help you understand which one will provide the best performance and value for your needs.
The white paper describes opportunities for distributed resources to provide value to the electric grid and the environment, along with program improvements that are needed to encourage customer investment.
This is a report from the Global Grid Transformation (GGT) conference track at Energy Storage North America (ESNA) 2018, which took place in early November in Pasadena, California. The event brought together key stakeholders from Australia, Europe, and the Americas to exchange ideas, share success stories, and brainstorm on key challenges, with a focus on promoting a low-emission, resilient, and affordable power grid. IHS Markit worked together with ESNA to prepare this white paper, providing a recap of the most important points faced today by the energy storage industry, including how various markets are developing and how stakeholders can identify and target growth opportunities for energy storage.
More than 90 U.S. cities and 140 large corporations have established 100% clean, carbon-free and/or renewable energy goals in recent years. California, with its new mandate that 100% of its energy power must come from non-carbon sources such as solar and wind by 2045, joins Hawaii, which previously established a similar goal. In several other states, newly seated governors campaigned in 2018 on goals of 100% renewable energy, and congressional representatives were sent to Washington positioning for a like-minded national proposal. Setting 100% clean energy or renewable goals is a significant step, but the question remains: what really has to happen to get from here to there, and what are the benefits such a transition will bring?
The frameworks in this slide deck can help those in the power sector understand and analyze key power system design criteria, different constructs for future utility business models, and evaluation criteria for the different utility business model constructs. SEPA developed a set of frameworks to help synthesize the collective insights gathered from Phase III of the 51st State Initiative
Dive into the three phases of the 51st State Initiative that initiated the creation of novel ideas for a better energy future. As a capstone to the 51st State Initiative, this paper captures the evolution of thinking through the initiative’s phases.
HiveMind sequestered 135 metric tons of CO2e in four inches of soil on a 500 square feet green roof at Cummin’s Huddersfield diesel plant. Our data from over a dozen sites in the US give an average of 100 tons CO2E sequestered per 1,000 square feet on a standard sedum roof of four inches. There are 43,560 square feet in an acre, so it’s possible to sequester 4,300 tons of CO2e over ten years on acres of land. Central Park is 840 acres so it’s possible to sequester 3.6 million tons of CO2e in a space the park’s size. That’s the carbon footprint of 180,600 Americans. We believe that’s a better solution than a park full of giant air sucking fans.
Developed by the SEIA Quality Assurance Working Group, this document was designed to update installation best practices originally developed by the Solar Access to Public Capital (SAPC) working group organized by the National Renewable Energy Laboratory, and is intended to be updated as proper protocol dictates. The primary intention of this document is to provide recommended best practices to facilitate high-quality and consistent residential solar projects. The broader objective in developing and maintaining this document is to build confidence among potential solar customers, regulators, investors, rating agencies, and other stakeholders in the concept that residential solar systems are a valuable home improvement, a consistent and long-term electric generating resource, and credit-worthy investment asset class.
Key data highlighted in the white paper includes more than five years of outdoor weathering at 3M’s state-of-the-art, geographically diverse test locations (3 outdoor sites representing 3 distinct climates). The data shows virtually no film degradation and most importantly, consistent optical performance of the film and electrical output of the test modules.
Find solutions to enhance energy efficiency of smart grids, HEV/EV, e-mobility, and more. Sustainable energy technology is driving our future lifestyle, from vehicle electrification to home energy management systems. See how Keysight solutions can help with solar grid energy efficiency, emulate high-power, high-voltage electric vehicle battery testing, cell self-discharge characterization, and power device modeling.
Global energy demand is expected to increase by 30 percent between 2018 and 2040, the equivalent of adding another China and India to our planet.1
Renewable energy sources will help meet that demand and will require not one, but a robust mix of energy storage technologies to lower the planet’s carbon footprint, create efficient energy models and stabilize the grid.
Lightweight, durable plastic composites are continuing to replace steel, aluminum, and fiberglass in the manufacturing of outdoor products. Innovative new developments and refinements have further expanded the performance spectrum of plastics in recent years, particularly for use in electrical and electronic components. Consequently, plastic components are becoming more
common in PV solar mounting systems.
In this white paper, you'll learn the value of drone data; practical use cases for the drone for each energy sector - Transmission & Distribution, Wind, and Solar; value propositions of the drone for each energy sector, how to address current shortcomings of drone technology and regulation; and how to bring it all together to sell your energy organization on using drones
Across the entire energy sector, companies are utilizing drones to provide accurate site and asset inspections in a fraction of the time. How can your company start taking advantage of their benefits today? The Quick Start Guide to Drones in Energy assembles the best knowledge available on drone use in oil and gas, solar, wind, and utilities and puts it at your fingertips.
Dropping investment costs are causing new companies to sprout up every day and lower energy pricing is putting even more pressure on renewable energy asset managers to squeeze every dollar out of their budgets and save their margins. Renewable asset management software can help asset owners and operators grow their portfolios in an increasingly complex environment. This guide will walk readers through the essentials of renewable asset management software including misconceptions about asset management, the benefits of software, and how to recognize when you need it. The guide will also give common renewable asset management scenarios and workflows that can be automated or benefit from an asset management software solution.
With billions of dollars invested and gigawatts of solar installed every month, savvy investors and owners understand that to maximize financial returns and optimize solar power plant performance, a well-thought-out plan for a complete operations and maintenance (O&M) program must be baked into the economics of any project before the first boots hit the ground. Single-axis trackers (SATs) have become increasingly popular because of the higher energy yield they produce compared to fixed-tilt systems. This white paper discusses and analyzes the factors to consider when evaluating tracker technologies from an O&M perspective.
With so many competing interests and limited time, fulfilling the responsibilities of a solar energy professional is becoming more challenging. With those increasing pressures in mind, we partnered with experts and technicians across the country to collect resources that colleagues in your industry are using to make their lives easier. We compiled this list and want to share these resources with you.
The addition of energy storage to an existing or new utility-scale PV installation allows system owners and operators the opportunity to capture additional revenues. Traditional storage plus solar applications have involved the coupling of independent storage and PV inverters at an AC bus or the use of multi-input hybrid inverters. An alternative approach – coupling energy storage to PV arrays with a DC-to-DC converter – can help maximize production and profits for existing and new utility-scale installations. DC-Coupled Utility-Scale Solar Plus Storage leads to higher round-trip efficiencies and lower cost of integration with existing PV arrays and at the same time, opens up new revenue streams not possible with traditional AC-coupled storage, including clipping recapture and low voltage harvesting, while being eligible for valuable tax incentives.
Key highlights from the report include:
• Long-duration storage is now commonly viewed as having an energy delivery time of at least four hours, and the need for it is growing.
• Renewable energy self-consumption is seen as the most promising application for long-duration storage.
• A Levelized Cost of Storage (LCOS) calculation is considered the most reputable selection criterion in determining which long-duration storage technology to deploy.
• The most promising technology for long-duration storage is flow batteries and the key criterion for selecting a given asset is cost, particularly the capital expense required.
After a decade of explosive growth in the residential solar photovoltaic (PV) market, in 2017 California saw its first decrease in annual residential solar installations. This paper suggests that the most probable cause of this downturn is the beginning of market saturation in the residential retrofit market (as differentiated from the new construction market). It also illustrates how the new construction market, which is growing rather than declining, can mitigate a downturn in the retrofit market when sufficient housing growth and aggressive new construction policies or initiatives exist. The analysis suggests that 15 - 20,000 jobs are at risk in California if steps are not taken to mitigate the downturn.