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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 109 records · Page 6
All sourcesNASA NTRSDOE OSTI
DOE OSTI2022

Tracking the PACE of household energy usage: Energy usage impacts of projects financed through Property Assessed Clean Energy programs in California

This report examines the household-level energy impacts of residential property assessed clean energy (R-PACE) projects using normalized metered energy consumption methods. Our analysis covers projects that occurred through an R-PACE program between 2009 and 2017 and includes more than 25,000 electricity meters and 15,000 gas meters. We employ a comparison group, drawn from other R-PACE households with similar locational and usage characteristics whose projects were implemented at different times, to control for some non-project and non-weather factors that may impact energy use. We find that projects consisting of energy efficiency technologies save, on average, about 3% of household electricity usage and 3.5% of household gas usage. R-PACE financing, however, can be used to install central heating or air conditioning equipment for the first time. These projects would be expected to increase energy consumption. Since our data do not directly indicate which projects are new installations, we develop a simple algorithm for identifying them. Removing these inferred installation projects yields average savings of about 5% for electricity and 6% for gas for those households that remain in the sample. Given the mild California climate and the results of another study of similar California projects using similar methods, these results are in line with expectations. Solar PV projects yield large reductions in grid electricity use, averaging 69% of household consumption. We estimate that, collectively, all R-PACE projects installed in California through 2019 would generate annual reductions in grid-tied electricity consumption of 506 GWh (mostly due to solar PV) and gas consumption reductions of 2 million therms in a normal weather year. These impacts are equivalent to the electricity consumption of about 74,000 California households (including both efficiency and PV generation) and the gas consumption of about 4700 California households.

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATI↗
DOE OSTI2024

Community Energy Storage Financing: Resources and structures under the Inflation Reduction Act

New federal financial resources are available to community-based energy storage projects and new financing structures are emerging in response. Many of these new resources arise from the Inflation Reduction Act of 2022, which makes billions of dollars available for clean energy technology like energy storage. It also makes clean energy tax credits available to certain community entities through a new elective pay mechanism. These new resources are a significant opportunity. Navigating their nuances may be challenging. This paper aims to identify and raise awareness of these developments and serve as a resource guide for community entities considering or pursuing community energy storage. The paper is arranged around key financial considerations that a community entity might weigh: the benefits desired from the project, the costs to provide those benefits, project ownership, pursuing tax credits, and additional sources of capital. These considerations give rise to several potential financial structures that are identified and finally compared.

25 ENERGY STORAGE↗
DOE OSTI2024

Understanding the Challenges of Financing Modular Construction: A Case Study for Prospective Multifamily Units

Compared to traditional site build, modular construction can significantly shorten construction schedules and speed income generation. Modular construction may also reduce construction costs. Yet access to commercial financing remains one of the most significant barriers to modular construction. Materials must be purchased, and production lines reconfigured for each project months ahead of fabrication. Materials alone can be 60% or more of the total cost of production. As a result, manufacturers require large upfront deposits—often 30% or more of the off-site contract. In addition, the capital-intensive nature of modular construction requires frequent progress payments for manufacturers to maintain cash flow. For those lenders willing to fund modular projects, many require the developer to share more of the risk. This may include the developer paying for line reservation fees and material deposits 3–6 months prior to production. Because these are unsecured loans, interest rates may be higher and loan amounts lower. As suppliers, modular manufacturers discourage retainage. Together, these and other factors may contribute to higher equity requirements for the developer—particularly at the beginning of the project.

29 ENERGY PLANNING, POLICY, AND ECONOMY↗
NASA NTRS1972

Financing the Air Transportation Industry

The basic characteristics of the air transportation industry are outlined and it is shown how they affect financing requirements and patterns of production. The choice of financial timing is imperative in order to get the best interest rates available and to insure a fair return to investors. The fact that the industry cannot store its products has a fairly major effect on the amount of equipment to purchase, the amount of capital investment required, and the amount of return required to offset industry depriciation.

Lloyd-Jones, D. J.↗
DOE OSTI2020

Commercial PACE Financing for New Construction

This fact sheet provides an overview for building owners and developers to take advantage of commercial property assessed clean energy (CPACE) financing for new construction, adaptive reuse, or renovation projects.

Commercial PACE, CPACE, Microgrid, Renewables, new↗
DOE OSTI2024

Industry case studies: Finance

This article, the third in a series on the U.S. Department of Energy and IDEA collaboration, focuses on financial strategies used by institutions to support district energy system modernization and decarbonization. It highlights how effective funding models, long-term cost analysis, and leadership support are critical to implementing large-scale infrastructure upgrades. The case studies show different approaches to financing. Ball State University demonstrates how life-cycle cost analysis and phased funding—supported by state funding, bonds, and grants—enabled a transition to geothermal energy. Penn State’s Hershey Medical Center emphasizes the importance of financial leadership, shifting from reactive budgeting to data-driven, proactive investment in infrastructure. The University of Washington highlights how comprehensive data collection and analytics can justify investments and even create self-sustaining funding mechanisms like green revolving funds. Overall, the article shows that combining strong financial planning, data-driven decision-making, and innovative funding approaches is essential for advancing sustainable district energy systems while managing high upfront costs.

96 KNOWLEDGE MANAGEMENT AND PRESERVATION↗
DOE OSTI2024

Energy Project Finance - Energizing Rural Communities Prize: Training #3 [Slides]

This presentation provides a look at the full lifecycle of the financial elements of a clean energy project. It reviews approaches for obtaining up-front capital, and then describes options for recovering the investment and generating profit or revenue from the project. The presentation was produced as a training for awardees of the Energizing Rural Communities prize.

29 ENERGY PLANNING, POLICY, AND ECONOMY↗
DOE OSTI2016

A new framework for integrated climate finance and inclusive responses to sustainable development in Malaysia

With Malaysia's commitment to both mitigation and adaptation, the 21st Conference of Parties to the United Nations Framework Convention for Climate Change in Paris, 2015, will be both an opportunity to showcase best practices and a forum to promote international ownership of climate challenge before it becomes a catastrophe. Our experience with weather extremes is that the best time to intervene is at the risk level via prevention and preparedness, compared to any wait-and-see approach. As the Honourable Prime Minister of Malaysia, Dato' Sri Mohd Najib Abdul Razak, elaborated during the recent 11th Malaysia Plan presentation to the parliament, ‘such an approach has to be seen as part of adopting green growth and increasing our commitment to long-term sustainability’. Malaysia is also aware that this requires policy support, technological interventions and financial commitment. It is for this reason the Malaysia's pledge at the Copenhagen COP-15 was to reduce its carbon emission by 40% from 2005 levels by 2020, subject to technology transfer and financial support by developed countries. Having achieved a 33% reduction in the last five years, Malaysia is convinced that it can reach the 40% target following an inclusive partnership framework for action.

Climate Change↗
DOE OSTI2024

Financing Solar + Storage for Small Businesses in Underserved Communities

Solar and solar and battery storage deployment is under-utilized by businesses in low-income and disadvantaged communities, in large part due to system costs and limited or complicated financial options. This document summarizes existing financial tools, discusses important financial barriers, and identifies emerging programs and opportunities to address these barriers.

battery↗
DOE OSTI2017

Energy finance data warehouse: Tracking revenues through the power sector

Reliable data is needed to understand financial relationships in the power sector. However, relevant data acquisition and visualization can be a challenge due to the fragmented nature of the power sector. The Energy Policy and Systems Analysis office of the U.S. Department of Energy led a team of data scientists at Oak Ridge National Lab to collect revenue information from a variety of sources.

29 ENERGY PLANNING, POLICY, AND ECONOMY↗