Vivint Solar named Thomas Plagemann as EVP, head of capital markets. Plagemann was previously a managing director as the head of energy at the U.S. corporate and investment banking arm of Santander Global Banking & Markets. In his new role, Plagemann will be responsible for leading Vivint Solar’s fundraising efforts for its tax equity and capital markets and developing a financing strategy beyond just third-party financing structures.

GlassPoint Solar appointed David Allsworth as CFO, to be based in Oman. Before joining GlassPoint, asolarenhanced oil recovery firm, Allsworth was a SVP and CFO at IMI Plc, a global engineering group specializing in complex fluid control applications. He also previously served at Alstom and Siemens (NYSE: SI).

Andreas Liebheit joined Heraeus Photovoltaics’ business unit as a new executive member. He is replacing Andy London, who is retiring in January 2014. Heraeus, based in Germany, manufactures silver metallization pastes for the photovoltaic industry and had more than $5.6 billion in product revenues in 2012.

First Round Capital hired Camille Ricketts as editor. She was most recently the content manager for Kiva.org, and worked for Tesla Motors (NASDAQ: TSLA) and VentureBeat previously.

EcoFactor appointed Steve Smith as vice president of sales. Before joining EcoFactor, a software-as-a-service residential energy management service, Smith was sales and marketing director at Honeywell Utility Solutions. EcoFactor is hardware-agnostic and will use Smith’s expertise in selling into the utility demand response market, although EcoFactor is also working with non-utility players, such as Comcast (NASDAQ: CMCSA).

NuvoSun, a thin-film solar firm, was purchased by Dow Chemical (NYSE: DOW) in March. After wrapping up a transition period, NuvoSun CEO Dave Pearce joined Draper Nexus Ventures as a venture partner in September and joined the board of Vitriflex as chairman. Vitriflex has a proprietary roll-to-roll process for depositing flexible glass-like thin films on polymer substrates for use in lightweight and flexible encapsulation for the solar, display and OLED lighting markets.

Boris Mathiszik recently left his post as CEO of Everest Solar Systems, a U.S. division of K2 Systems, a German racking supplier. A new CEO has not been announced.

As part of a restructuring, Peter Fath is out as CTO of centrotherm. Jan von Schuckmann will replace Robert Hartung as CEO. Fath has reportedly moved on to be the managing director of RENA’s solar division.

When Jon Wellinghoff wraps up his tenure as the chair of the Federal Energy Regulatory Commission (FERC), he will join the energy law practice of the firm Stoel Rives. Although Wellinghoff submitted his resignation in May, it is unclear when he will actually leave FERC as he waits for a replacement. Last month, Ron Binz ended his candidacy after being nominated by President Obama, citing “partisan and sectoral politics.”