Open Solicitations

Projects like MCE’s Voyager Wind II in Kern, CA, supply renewable energy to California’s grid.

Become one of our valued partners and vendors helping us to fight climate change.

Interested in working with us on a future project? Sign up for notifications about upcoming solicitations.

Open Season Request for Offers (RFO)

The window for accepting 2024 Open Season offers has closed.
Open Season is a competitive and objectively administered opportunity for qualified suppliers of energy and energy storage products to fulfill MCE’s resource requirements identified in our Integrated Resource Plan.

If you have any questions, please email To be notified about future solicitations, please fill out the Power Procurement Interest Form.

Ad hoc RFOs

Sign up to be notified about future ad hoc RFOs for short- and medium-term PCC1 and carbon-free energy.

Unsolicited offers

While we cannot commit to reviewing or responding to unsolicited offers, we do welcome suppliers to submit energy products for our consideration. Unsolicited offers can be submitted to Procurement using this Unsolicited Offers Template (xlsx)

Feed-in Tariff Plus

Sell your energy through Feed-in Tariff Plus. Develop a small-scale renewable energy project on your property in Contra Costa, Marin, Napa, and Solano Counties.

There are currently no open solicitations for general support. Sign up for notifications about upcoming solicitations.
​​Open solicitations from our program implementers.

Stand out among the competition. Get certified.

We encourage local women-, minority-, and LGBTQ+-owned businesses to certify with the California Public Utility Commission’s Supplier Clearinghouse. You can also certify as a small business or a disabled veteran-owned business with the Department of General Services Certification program. Certified vendors will be listed in directories that MCE and other utilities can access for our contracting needs.

Supplier diversity

When diverse businesses thrive, we all thrive. Our annual Supplier Diversity Report (pdf) captures our efforts to create a sustainable and diverse clean energy workforce. 

Get Notified About Upcoming Solicitations

Sign up below to receive notifications about future solicitations. If you would like to stay up to date on MCE news, sign up for our newsletter.

Energy efficiency, EV, and load shifting program implementation and evaluation

Energy supply project development

Marketing, community outreach, creative, and event production

Non-energy related services and construction

Technology, finance, and human resources

Energy project development and power procurement

Customer program implementation, reporting, and evaluation

Community outreach, marketing and communications, and design ​

Catering, property maintenance, and non-energy related construction

Central Contact Technology, Finance, Human Resources

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