However, DERs also pose challenges for utilities and ISOs, as they may impede the ability of these institutions to maintain situational awareness, and may cause cross-subsidy issues. LEI works with utilities, project developers, and Independent Power Producers (IPPs) on a diverse set of issues ranging from rate design to strategically planning the deployment of DERs in regional markets to developing analytical frameworks for proper and effective consideration of DERs and load reduction resources in transmission planning processes to evaluating the value proposition of DERs under defined market conditions.