The Solar Electric Power Association (SEPA) is an educational non-profit dedicated to advancing utility integration of solar, DER and related technologies.


Court Ruling Requires California IOUs to Offer More TOU Rate Options to Customers

September 25, 2015

This Joint Assigned Commissioner’s and Administrative Law Judge’s Ruling (ACR or Ruling) directs each of Pacific Gas and Electric Company (PG&E), San Diego Gas & Electric Company (SDG&E), and Southern California Edison Company (SCE) to prepare a menu of a minimum of three opt-in time-of-use (TOU) rate designs for piloting beginning in 2016. At least one of the opt-in TOU pilot rates for each utility must be a TOU option with a more complex combination of seasons and time periods than traditional TOU rates that better matches system needs, and must begin no later than October 1, 2016.

IRS Allows Community Solar Investor to Claim ITC

September 25, 2015

A Vermont man has been permitted by the Internal Revenue Service to claim the 30-percent federal ITC for his investment in a community solar program. The ruling was applicable only to this individual not all community solar subscribers broadly.

2015 Solar Power Player Award Winners Honored at SPI

September 15, 2015

The Solar Power Players Awards recognize compelling solar power advances in the electric utility industry.

Investor-Owned Utility: ConEdison
Public Power Utility: New York Power Authority
Electric Cooperative: Central Electric Power Cooperative, Inc. & The Electric Cooperatives of South Carolina
Innovative Partner: Enphase Energy
Solar Champion: Carmine Tilghman

CPS Energy Gets a Big Response to its Rooftop Solar System

September 08, 2015

More than 1,200 of CPS Energy’s customers submitted applications for the utility’s SolarHost program just 48 hours after registration opened on September 2nd. CPS customers can submit an application to host a solar electric system at no cost in exchange for receiving a credit that amounts to about 3 cents per kWh generated.

SunEdison Gets Luminant as Offtaker on 116 MW Project in Texas

September 08, 2015

Luminant will serve as the offtaker of the new 116-MW Castle Gap solar project to be built in Upton County, Texas by SunEdison. The project is expected to be completed late next year.


The Emerging Market for Solar & Energy Storage - Exploring the Impacts

October 08, 2015

Estimated duration: 60 minutes

Join SEPA, Black & Veatch and the Energy Storage Association as we focus on energy storage and its impacts. Speakers will highlight the role of storage in future markets and findings from a recent report highlighting possible impacts to the California wholesale market as mandates continue to increase the integration of solar penetration and energy storage.

11am Pacific/2pm Eastern

SEPA's Annual Membership Meeting

October 20, 2015


Join the rest of the SEPA Member Community as our leadership informs you about recent and upcoming events that are shaping the health and vitality of our association.



Solar Fundamentals, Volume 2 – Markets
SEPTEMBER 19, 2015

This report serves as one component of a multi-part series of publications that the Solar Electric Power Association (SEPA) plans to produce throughout 2015. The purpose of this effort is to provide a broad introduction to several facets of the solar industry, including a discussion of different drivers influencing the U.S. solar market.

Solar Mainstream – September 2015

September 10, 2015

Critical Issues - Industry Voices: Electric Cooperatives, SEPA Utility Solar Top 10, Faces of Solar: Colorado's New PV Pipeline, Beyond Solar: Solar Smart Homes, Technology: Energy Storage, Sepa Insider: Utility Solar Database, A Co-op Trifecta: Using Solar to Build, Shift Demand and Cut Costs. 

Solar and Energy Storage Impacts on Wholesale Power Markets

June 17, 2015

This white paper seeks to advance the discussion of the impact of high solar photovoltaic (PV) penetration on the California system and the potential role of energy storage from an economic (spot market pricing) perspective.

Utility Solar Market Snapshot

May 12, 2015

This year’s innovative infographic report format takes a fresh approach to presenting the 2014 solar market that combines significant data discovery with cutting edge takeaways.

Solar Mainstream - April 2015

APRIL 7, 2015

Critical Issues - Utilities, solar leasing and grind integration: Arizona's triple threat Solar Market Update - Merchant solar: Utility-scale without the PPAs Technology - Solar curtailment: inevitable or avoidable? Faces of Solar: City of Palo Alto Utilities: Going solar for a carbon-free future Industry Voices - The future of utilities: Finding 51 ways (at least) to transform the energy sector