Publications
PJM's Capacity Market: The Short Squeeze on Coal and Growing Opportunities for Battery Storage
August 24, 2023
In February 2023, PJM finalized the results for its Base Residual Auction (BRA) for the 2024/2025 delivery year. Capacity prices in this auction fell to just under $29/MW-day, the lowest since 2014, continuing a trend of declining prices exhibited in the past several BRAs.
Publications
Ancillary Market Saturation in CAISO and ERCOT: A Series of Predictable Events
July 27, 2023
Ancillary services have been a key component of storage revenue stacks since batteries began coming online, turbocharging returns for some operating projects. However, this turbocharger has already started to wane in CAISO and ERCOT and services as a harbinger for ancillary decline in other markets.
Publications
Resource Adequacy Modeling for a High Renewable Future
June 9, 2022
Planning for power system resource adequacy, once a relatively straightforward engineering calculation, is now characterized by growing complexity and uncertainty in both supply and demand. In the face of increasing complexity, many of the tools power system planners relied on are now becoming obsolete. This paper defines approaches for determining resource adequacy in high renewable systems with energy storage.
Publications
Making the Right Resource Choice Requires Making the Right Model Choice
September 1, 2021
What do traditional production cost models miss about a changing resource mix with more intermittent renewables and storage? A lot! This paper shows how traditional models lead to model limited choice, where model limitations lead to systematic biases in favor of relatively inflexible legacy resource options.
Publications
Opinion: Colorado poised to become advanced energy leader with Congress' help
October 27, 2019
Advanced energy is one of the fastest growing sectors of Colorado's economy, and energy legislation before Congress could position Colorado as a national and global leader.
Publications
The Next Big Thing: Grid-Tied Batteries. How to Maximize Value
March 4, 2019
In this op-ed for pv magazine, Mike Mendelsohn & Dr. Allison Weis of Ascend Analytics break down the value of battery storage and the profitability of this tech
Publications
A New Evaluation Paradigm for Flexible Resources
February 11, 2019
NARUC's recent guidance on flexible resources requires new tools
Publications
ERCOT summer forward curves have crested toward $160/MWh for July/August
November 6, 2018
ERCOT summer forward curves have crested toward $160/MWh for July and August in the wake of an ERCOT ISO report that reserve margins could be below 10%.
Publications
The Digitalization of Power
September 7, 2018
September 7, 2018
The continued advances in in digital power supply systems will provide more compelling and often unavoidable economic merit over traditional generation.
Publications
Navigating the New Energy Market Dynamics
January 1, 2018
2018
Utilities need to adopt new decision-making tools in order to compete in the "new normal" environment of renewable energy supply.
Publications
Simulating meaningful uncertainty for complex physical and financial portfolios
September 1, 2016
The meaningful uncertainty simulation framework can extract all relevant information contained in market and portfolio data to give energy firms the ability to make informed business decisions.