Resource Type

Economic Valuation

Maine Distributed Solar Valuation Study
+  |  August 2015

In support of the Maine Public Utilities Commission's work in 2014-15 to determine the value of distributed solar...

Valuation of Solar + Storage in Hawaii: Methodology
+  |  August 2015

Clean Power Research was engaged by the Interstate Renewable Energy Council, Inc. (IREC) to develop a methodology that...

Managing the Distributed Solar Fleet: From Interconnection to Fleet Operations
+  |  October 2013

Bringing incentive and interconnection management online allows utilities to streamline processing and capture PV...

The Value of Distributed Solar Electric Generation to San Antonio
+  |  March 2013

This Value of Solar® study was prepared for Solar San Antonio under a Department of Energy SunShot Initiative grant....

Net Metering: Quantifying Benefits and Sharing Costs
+  |  February 2013

This presentation covers two methods of valuing solar that are currently being considered as alternatives to net...

Solar Power Generation in the US: Too Expensive or a Bargain?
+  |  March 2012

This article identifies the combined value that solar electric power plants deliver to utilities’ rate payers and...

Solar Sustained Vehicles: A Consumer’s Solution to Protection in an Age of Oil Dependence, Economic Uncertainty, & Global Warming
+  |  November 2008

A consumer’s view of the fuel saving benefits of Solar Sustained Vehicles. Download PDF >>>

Field Validation of the Clean Power Estimator’s Obstruction Analysis Algorithm
+ +  |  February 2004

This paper validates the Clean Power Estimator obstruction analysis algorithm based on results produced by the Solar...

Validation of a Simplified PV Simulation Engine
+ +  |  June 2003

This paper describes and validates a simple PV simulation model capable of predicting average PV output as a function...

A Micro-Grid with PV, Fuel Cells and Energy Efficiency
+  |  June 1998

This article provides an evaluation of the economic potential of a micro-grid composed of PV, fuel cells and energy...

Program Optimization

Inferring PV system specifications from net load
+  |  June 2022

The increasing penetration of grid-connected solar photovoltaics has challenged the existing method of planning and...

Photovoltaic Incentive Design Handbook
+  |  June 2012

This handbook will help agencies and utilities select, design, and implement incentive programs that best meet...

Market Transformation Benefits of a PV Incentive Program
+  |  May 2010

Real-life example of the economics of implementing a PV incentive program Download PDF >>>

Solar Prediction

IRENA SolarCity
+  |  November 2022

This project combines ultra-high-resolution (0.5 meter or 1 meter) Digital Elevation Model (DEM) data and 3D vector...

Enhancing Temporal Variability of 5-minute Satellite-Derived Solar Irradiance Data
+  |  June 2022

Satellite-derived solar irradiance data are known to underestimate temporal variability compared to point measurements...

Nonparametric Temporal Downscaling of GHI Clear-sky Indices Using Gaussian Copula
+  |  June 2022

Small-scale variabilities of solar irradiance are important for many applications. Downscaling approaches need to be...

A Review of Solar Forecasting, Its Dependence on Atmospheric Sciences and Implications for Grid Integration: Towards Carbon Neutrality
+  |  March 2022

The ability to forecast solar irradiance plays an indispensable role in solar power forecasting, which constitutes an...

Observed Recent Trends in the Solar Resource across North America: Changing Cloud-cover, AOD and the Implications for PV Yield
+  |  September 2020

In years recent to 2020, low solar-resource in the Eastern U.S. was observed in the SolarAnywhere® dataset. This paper...

Investigations of Site-Specific, Long Term Average Albedo Determination for Accurate Bifacial System Energy Modeling
+  |  September 2019

As interest in bifacial PV modules grows, there is a need to quantify the impact of additional energy generation for...

Improved PV System Modeling with ML-Based Power Model: Case Study of a Commercial Building
+  |  September 2019

Solar PV system specifications are critical to accurately modeling PV system production (along with high-quality...

EPIC Solar Forecasting Task 3 Final Report: Grid-Connected and Embedded PV Fleet Forecasting Accuracy
+  |  July 2019

This report, prepared with an Electric Program Investment Charge (EPIC) fund, describes new methods for improving...

EPIC Solar Forecasting Task 2 Final Report: Data Forecasting Accuracy
+  |  July 2019

This report, prepared with an Electric Program Investment Charge (EPIC) fund, describes the results of research to...

Advancing the Science of Behind-the-Meter PV Forecasting
+  |  July 2019

This presentation discusses how probabilistic forecasting enables electric utilities and grid operators to reduce...

Extending Fleet Forecasting Capability into the Probabilistic Realm
+  |  July 2019

This presentation demonstrates how a new approach to PV fleet forecasting can address the problem of artificially high...

Solar+ Homes: If an Integrated Approach Works in a Retrofit Application, New Homes Will Be Even Better
+  |  July 2019

This presentation demonstrates the effectiveness of an integrated approach to electrification of existing and new...

Value of Solar+Storage in Guam
+  |  July 2019

This report presents the results of a distributed-solar valuation performed for the island of Guam. The study used...

Montana Solar Market Assessment
+  |  July 2019

As part of the U.S. Department of Energy’s SunShot Initiative, the Montana Energy Office (MEO) of the Montana...

Improved model of solar resource variability based on regional aggregation and climate zones
+  |  April 2019

This paper provides the results of using an alternative method to calculate annual insolation probability of...

Day-Ahead Irradiance Forecast Variability Characterization Using Satellite Data
+  |  July 2016

This article calculates day-head forecast variability as function of historical clearness index based on intraday...

Importance of Input Data and Uncertainty Associated with Tuning Satellite to Ground Solar Irradiation
+  |  July 2016

Although the uncertainty of satellite data such as SolarAnywhere® Data has been shown to be low, it can be challenging...

Solar Energy Forecast Validation for Extended Areas & Economic Impact of Forecast Accuracy
+  |  July 2016

This article evaluates the accuracy of solar forecast models, including SolarAnywhere®, as a function of geographic...

Integration of Behind-the-Meter PV Fleet Forecasts into Utility Grid System Operations
+  |  May 2016

This paper describes a study, funded by the U.S. Department of Energy, to evaluate new, state-of-the-art solar...

Reducing Solar Project Uncertainty with an Optimized Resource Assessment Tuning Methodology
+  |  March 2016

This paper describes procedures suitable for the optimal combination of ground-based and satellite-based irradiance...

Satellite-to-Irradiance Modeling – A New Version of the SUNY Model
+  |  August 2015

This article presents and validates the latest version of the SUNY model for using satellite imagery to calculate...

Operational Improvements in the Performance of the SUNY Satellite-to-Solar Irradiance Model Using Satellite Infrared Channels
+  |  April 2015

This paper summarizes operational improvements to the existing SUNY satellite-to-solar irradiance model used to...

Experience in California with Behind-the-Meter PV Forecasts
+  |  July 2014

SolarAnywhere® FleetView™ is generating behind-the-meter PV forecasts in California, enabling utilities and ISOs to...

Integrating PV into Utility Planning and Operation Tools
+  |  July 2014

Clean Power Research received a California Solar Initiative (CSI) Research, Development, Demonstration and Deployment...

Demonstration and Validation of PV Output Variability Modeling Approach
+  |  July 2014

The California Energy Commission’s Public Interest Energy Research (CEC PIER) program awarded Clean Power Research a...

CSI RD&D Solicitation 1 Final Webinar: Advanced Modeling and Verification for High Penetration PV
+  |  May 2014

In April 2010, Clean Power Research received a California Solar Initiative (CSI) Research, Development, Demonstration...

CSI RD&D Solicitation 3 Final Webinar: Integrating PV into Utility Planning and Operation Tools
+  |  May 2014

Clean Power Research received a California Solar Initiative (CSI) Research, Development, Demonstration and Deployment...

Advanced Modeling and Verification for High Penetration PV
+  |  May 2014

In April 2010, Clean Power Research received a California Solar Initiative (CSI) Research, Development, Demonstration...

Behind-the-Meter PV Fleet Forecasting: Results for 130,000 PV Systems in California
+  |  April 2013

Lean how SolarAnywhere® FleetView™ is being integrated into CAISO planning and operations tools to provide power...

Behind-the-Meter PV Fleet Forecasting
+  |  March 2013

Grid-connected PV in the U.S. has grown substantially over the past several years and grid operators are increasingly...

Forecasting Output for 130,000 PV Systems in California
+  |  February 2013

Lean how SolarAnywhere® FleetView™ is being integrated into CAISO planning and operations tools to provide power...

Integrating PV into Utility Planning and Operation Tools
+  |  February 2013

This presentation describes how SolarAnywhere® FleetView™ is being used to cost-effectively forecast power output of...

Behind-the-Meter PV Fleet Forecasting
+  |  October 2012

Learn how SolarAnywhere® FleetView™ can be used for behind-the-meter PV fleet forecasting. Presented at the Utility...

Solar Monitoring, Forecasting and Variability Assessment at SMUD
+  |  April 2012

This paper summarizes the deployment of a 71 station solar monitoring network in Sacramento, Calif., and its use in...

Reporting of Irradiance Model Relative Errors
+  |  March 2012

Metrics used in assessing irradiance model accuracy such as Root Mean Square Error (RMSE) and Mean Absolute Error...

Predicting Short-term Variability of High Penetration PV
+  |  March 2012

This article evaluates the ability of three operational satellite models (SolarAnywhere® Standard, Enhanced, and High...

Off-Shore Wind and Grid-Connected PV: High Penetration Peak Shaving for New York City
+  |  March 2012

This article presents an experimental evaluation of the combined effective capacity of off-shore wind and...

Evaluating Irradiance Accuracy Using California ISO Data: Lessons Learned
+  |  February 2012

This presentation provides the results of a study evaluating the short, medium and long-term accuracy of irradiance...

Modeling PV Fleet Output Variability
+  |  May 2011

This paper introduces a novel approach to estimating the maximum short‐term output variability that an arbitrary fleet...

Short-term Irradiance Variability: Station Pair Correlation as a Function of Distance
+  |  March 2011

This article focuses on station pairs, and investigates the correlation of their short-term variability as a function...

Parameterization of Site-specific Short-term Irradiance Variability
+  |  November 2010

This article presents a set of empirical models capable of extracting metrics quantifying the short‐term variability...

PV Power Output Variability: Correlation Coefficients
+  |  November 2010

This paper introduces a novel approach to estimate the maximum short‐term output variability that a fleet of PV...

Valuing a Portfolio of PV Investments
+  |  October 2010

This presentation describes the importance of PV output variability as a factor in calculating the value of a fleet of...

Validation of Short & Medium Term Operational Solar Radiation Forecasts in the U.S.
+  |  August 2010

This paper presents a validation of the short- and medium-term global irradiance forecasts that are produced as part...

Validation of PV Performance Models Using Satellite-based Irradiance Measurements: A Case Study
+  |  May 2010

This paper presents a study of how PV performance model results are affected when satellite-based weather data is used...

Weather Adjusted Performance Guarantees
+  |  May 2010

This paper describes how to generate more accurate Weather-Adjusted Performance Guarantees for PV systems using a...

Evaluating PV Fleet Output Variability
+  |  December 2009

This presentation describes methods for evaluating the power output variability of PV fleets, and how that information...

Quantifying PV Power Output Variability
+  |  May 2009

This paper presents a new approach to rigorously quantify power output variability from a fleet of PV systems, ranging...

Shining on the Big Apple: Satisfying New York City’s Peak Electrical Needs with PV
+  |  November 2008

This presentation describes how measured data was used to evaluate the potential of PV to satisfy the electrical needs...

Field Validation of the Clean Power Estimator’s Obstruction Analysis Algorithm
+ +  |  February 2004

This paper validates the Clean Power Estimator obstruction analysis algorithm based on results produced by the Solar...

Validation of a Simplified PV Simulation Engine
+ +  |  June 2003

This paper describes and validates a simple PV simulation model capable of predicting average PV output as a function...

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