Photo of Spiros Mantzavinos
D Delaware Senate · District 7 On the 2026 ballot

Sen. Spiros Mantzavinos

Compare
Total votes
2,845
all sessions
Attendance
98%
65 missed
Near the chamber average
With party
99%
of cast votes
Higher than 81% of chamber peers
Bipartisan score
0%
crosses aisle rarely
Lower than 87% of chamber peers
Sponsored
1,281
bills & resolutions
Higher than 91% of chamber peers
Committees
7
assignments
1,281 bills and resolutions

Sponsored bills

Total
1,281
Primary
1,083
Co-sponsor
198
This page
1,281
matching current filters
Primary SB 210
Signed into law · Delaware Senate · Lead sponsor
AN ACT TO AMEND TITLE 26 OF THE DELAWARE CODE RELATING TO PUBLIC UTILITIES.

This bill amends the definition of “Community-owned energy generating facility” in Title 26 of the Delaware Code, § 1001(5) by adding the requirement that the point of interconnection be located in the service area of a utility under the regulation of the Public Service Commission.

Signed into law Mar 16, 2026 0 co-sponsors
Primary SCR 146
Passed · Delaware Senate · Lead sponsor
RECOGNIZING FEBRUARY 19, 2026, AS “WORLD CHOLANGIOCARCINOMA DAY” IN THE STATE OF DELAWARE.

Maddy summaryThis Senate Concurrent Resolution designates February 19, 2026, as "World Cholangiocarcinoma Day" in Delaware. The bill formally recognizes this date to raise awareness about cholangiocarcinoma, a rare type of bile duct cancer. It does not create new laws or funding but serves as a symbolic gesture to highlight the disease. The measure was passed by both the Senate and House with voice votes, indicating broad legislative support for the designation.

Passed Mar 12, 2026 0 co-sponsors
Primary SCR 147
Passed · Delaware Senate · Lead sponsor
RECOGNIZING THE 125TH ANNIVERSARY OF DELAWARE LIBRARIES AND THEIR SERVICE TO THE PEOPLE OF THE STATE OF DELAWARE.

This Senate Concurrent Resolution recognizes and celebrates 125 years of service by Delaware Libraries, honors their longstanding commitment to literacy, innovation, and community engagement, and commends the dedicated librarians and advocates who support schools and communities across the State.

Passed Mar 12, 2026 0 co-sponsors
Primary SB 241
In committee · Delaware Senate · Lead sponsor
AN ACT TO AMEND TITLE 29 OF THE DELAWARE CODE RELATING TO PROJECT LABOR AGREEMENTS.

This Act requires that a contract advertised after September 30, 2026, relating to a public works project (project) with an aggregate cost of $5 million or more must include a project labor agreement with the Delaware Building and Construction Trades Council unless the project receives federal funding, the project is for highway construction, or there was only 1 bid for the craft under the contract. A project labor agreement is a type of collective bargaining agreement in the construction industry that is generally negotiated before construction begins. Project labor agreements are intended to provide a legally binding and enforceable contract primarily related to labor conditions and labor-management relations.

In committee Mar 12, 2026 0 co-sponsors
Primary SB 230
Signed into law · Delaware Senate · Lead sponsor
AN ACT TO AMEND TITLE 9 OF THE DELAWARE CODE RELATING TO SUBPOENA POWER.

This Act is a substitute bill for Senate Bill No. 230 and differs from Senate Bill No. 230 by removing the language related to Section 284 of the Delaware General Corporation Law. This Act defines, for purposes of this section, “county authority” as the Chief Financial Officer of the Office of Finance, the Director of the Department of Finance of Kent County, and the Finance Director of Sussex County. This Act expressly authorizes the county authority to compel the production of testimony and documentary evidence whenever a county relies upon, or defends its reliance upon, the income approach or cost comparison approaches to assess the fair market value of real property. This Act permits the enforcement of subpoenas by order of the Superior Court and permits use of the court’s contempt powers.

Signed into law Mar 12, 2026 0 co-sponsors
Primary SCR 141
Passed · Delaware Senate · Lead sponsor
DESIGNATING THE MONTH OF FEBRUARY 2026 AS “TURNER SYNDROME AWARENESS MONTH” IN THE STATE OF DELAWARE.

Maddy summarySCR 141 is a symbolic resolution designating February 2026 as "Turner Syndrome Awareness Month" in Delaware. It does not create new laws or policies but formally recognizes the need for greater public awareness about Turner Syndrome, a genetic condition affecting individuals assigned female at birth. The resolution directly affects Delaware residents, particularly those living with Turner Syndrome and their families, by encouraging community education and support initiatives during that month. This procedural resolution was introduced and passed unanimously by the Delaware Senate on January 29, 2026.

Passed Mar 12, 2026 0 co-sponsors
Primary SB 106
Signed into law · Delaware Senate · Lead sponsor
AN ACT TO AMEND TITLE 14 OF THE DELAWARE CODE RELATING TO CELL PHONE USE IN SCHOOL.

This Act requires each school district and charter school to adopt a policy, with educator input, about cell phone use by students during school hours. Each policy must contain: (1) Clear guidelines about what constitutes acceptable cell phone use at school. (2) A requirement that limits cell phone use during instructional time. (3) The designation of times and places during which students may use their cell phones at school. (4) Guidelines that encourage communication between the schools, parents or guardians, and students about the cell phone use policy. (5) A system of appropriate consequences for violations of the cell phone use policy. (6) Exceptions that address, and are applicable to, emergency situations and medical or educational accommodations. Each school district and charter school shall provide the Department with its policy. Each school district and charter school shall post its policy on its website by August 1, 2025. School districts and charter schools are free to amend their cell phone use policies as needed. If a school district or charter school adopts an amended cell phone use policy, it must be provided to the Department and posted on that school district or charter school’s website.

Signed into law Mar 12, 2026 0 co-sponsors
Primary SB 205
In committee · Delaware Senate · Lead sponsor
AN ACT TO AMEND TITLE 26 OF THE DELAWARE CODE RELATING TO THE PUBLIC SERVICE COMMISSION AND CERTIFICATES TO OPERATE.

This Act requires any person or entity seeking to begin the business of using 30 megawatts (MW) of electricity or greater to first obtain a Certificate to Operate (“COP”) from the Public Service Commission. The Act also provides that any person or entity seeking to change an existing facility, that will increase the usage to 30MW or greater, triggers the provisions of this Act and must obtain a Certificate to Operate from the Public Service Commission. Section 203G(a) provides that Section 203G does not apply to public utilities engaged in business in their service territories. Under Section 203G(c), the Commission must act upon a COP application within 90 days of submission of a completed application. For good cause shown, and if the Commission finds that the public interest would be served, the Commission may extend the date of its action on a COP application for an additional period not to exceed 90 days. Section 203G(d) lists the factors that the Commission must consider in determining whether to grant a COP, which include the impact of granting the COP on the State’s economy, the impacts to the State’s ratepayers, and whether the application is consistent with the achievement of the State’s greenhouse gas emissions reductions targets, as specified in § 10003 of Title 7. Section 203G(e) sets forth the circumstances under which the Commission may, for good cause, undertake to suspend or revoke a COP. Section 203G(f) provides that Commission proceedings under the section involving a COP shall be conducted in accordance with subchapter III, Chapter 101 of Title 29. Sections 203G(g) and (f) make provision for the State Energy Office and local governments with land use jurisdiction over the development plan to intervene in the Public Service Commission proceedings. Section 203G(i) requires the written approval of the Commission to transfer a COP. Section 203G(j) provides that the Commission shall have the authority to promulgate regulations to fully define the requirements necessary for the implementation of section 203G.

In committee Mar 11, 2026 0 co-sponsors
Primary SCR 134
Passed · Delaware Senate · Lead sponsor
RECOGNIZING THE THETA ZETA ZETA CHAPTER OF ZETA PHI BETA SORORITY, INCORPORATED FOR ITS OUTSTANDING COMMITMENT AND SERVICE TO THE DOVER COMMUNITY.

This resolution recognizes and commends the Theta Zeta Zeta Chapter of Zeta Phi Beta Sorority, Incorporated for its years of exemplary service to the Dover community, with a focus on educational equity, health advocacy, civic engagement, and empowering women and children. The Chapter’s work reflects the sorority’s historic legacy of scholarship, service, sisterhood, and finer womanhood.

Passed Mar 10, 2026 0 co-sponsors
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